Even after a campaign to curb grade inflation, 51% of the

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 1 10, determine which functions are polynomial functions. For those that are, identify the degree.

In Exercises 11 14, identify which graphs are not those of polynomial functions.

In Exercises 11 14, identify which graphs are not those of polynomial functions.

In Exercises 11 14, identify which graphs are not those of polynomial functions.

In Exercises 11 14, identify which graphs are not those of polynomial functions.

In Exercises 15 18, use the Leading Coefficient Test to determine the end behavior of the graph of the given polynomial function. Then use this end behavior to match the polynomial function with its graph. [The graphs are labeled (a) through (d).]

In Exercises 15 18, use the Leading Coefficient Test to determine the end behavior of the graph of the given polynomial function. Then use this end behavior to match the polynomial function with its graph. [The graphs are labeled (a) through (d).]

In Exercises 15 18, use the Leading Coefficient Test to determine the end behavior of the graph of the given polynomial function. Then use this end behavior to match the polynomial function with its graph. [The graphs are labeled (a) through (d).]

In Exercises 15 18, use the Leading Coefficient Test to determine the end behavior of the graph of the given polynomial function. Then use this end behavior to match the polynomial function with its graph. [The graphs are labeled (a) through (d).]

In Exercises 19 24, use the Leading Coefficient Test to determine the end behavior of the graph of the polynomial function.

In Exercises 19 24, use the Leading Coefficient Test to determine the end behavior of the graph of the polynomial function.

In Exercises 19 24, use the Leading Coefficient Test to determine the end behavior of the graph of the polynomial function.

In Exercises 19 24, use the Leading Coefficient Test to determine the end behavior of the graph of the polynomial function.

In Exercises 19 24, use the Leading Coefficient Test to determine the end behavior of the graph of the polynomial function.

In Exercises 19 24, use the Leading Coefficient Test to determine the end behavior of the graph of the polynomial function.

In Exercises 25 32, find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the or touches the and turns around, at each zero.

In Exercises 25 32, find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the or touches the and turns around, at each zero.

In Exercises 25 32, find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the or touches the and turns around, at each zero.

In Exercises 25 32, find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the or touches the and turns around, at each zero.

In Exercises 25 32, find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the or touches the and turns around, at each zero.

In Exercises 25 32, find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the or touches the and turns around, at each zero.

In Exercises 25 32, find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the or touches the and turns around, at each zero.

In Exercises 25 32, find the zeros for each polynomial function and give the multiplicity for each zero. State whether the graph crosses the or touches the and turns around, at each zero.

In Exercises 33 40, use the Intermediate Value Theorem to show that each polynomial has a real zero between the given integers.

In Exercises 33 40, use the Intermediate Value Theorem to show that each polynomial has a real zero between the given integers.

In Exercises 33 40, use the Intermediate Value Theorem to show that each polynomial has a real zero between the given integers.

In Exercises 33 40, use the Intermediate Value Theorem to show that each polynomial has a real zero between the given integers.

In Exercises 33 40, use the Intermediate Value Theorem to show that each polynomial has a real zero between the given integers.

In Exercises 33 40, use the Intermediate Value Theorem to show that each polynomial has a real zero between the given integers.

In Exercises 33 40, use the Intermediate Value Theorem to show that each polynomial has a real zero between the given integers.

In Exercises 33 40, use the Intermediate Value Theorem to show that each polynomial has a real zero between the given integers.

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 41 64, a. Use the Leading Coefficient Test to determine the graph s end behavior. b. Find the x-intercepts State whether the graph crosses the or touches the and turns around, at each intercept. c. Find the y-intercept. d. Determine whether the graph has symmetry, origin symmetry, or neither. e. If necessary, find a few additional points and graph the function. Use the maximum number of turning points to check whether it is drawn correctly

In Exercises 65 72, complete graphs of polynomial functions whose zeros are integers are shown. a. Find the zeros and state whether the multiplicity of each zero is even or odd. b. Write an equation, expressed as the product of factors, of a polynomial function that might have each graph. Use a leading coefficient of 1 or and make the degree of as small as possible. c. Use both the equation in part (b) and the graph to find the y-intercept.

In Exercises 65 72, complete graphs of polynomial functions whose zeros are integers are shown. a. Find the zeros and state whether the multiplicity of each zero is even or odd. b. Write an equation, expressed as the product of factors, of a polynomial function that might have each graph. Use a leading coefficient of 1 or and make the degree of as small as possible. c. Use both the equation in part (b) and the graph to find the y-intercept.

In Exercises 65 72, complete graphs of polynomial functions whose zeros are integers are shown. a. Find the zeros and state whether the multiplicity of each zero is even or odd. b. Write an equation, expressed as the product of factors, of a polynomial function that might have each graph. Use a leading coefficient of 1 or and make the degree of as small as possible. c. Use both the equation in part (b) and the graph to find the y-intercept.

In Exercises 65 72, complete graphs of polynomial functions whose zeros are integers are shown. a. Find the zeros and state whether the multiplicity of each zero is even or odd. b. Write an equation, expressed as the product of factors, of a polynomial function that might have each graph. Use a leading coefficient of 1 or and make the degree of as small as possible. c. Use both the equation in part (b) and the graph to find the y-intercept.

In Exercises 65 72, complete graphs of polynomial functions whose zeros are integers are shown. a. Find the zeros and state whether the multiplicity of each zero is even or odd. b. Write an equation, expressed as the product of factors, of a polynomial function that might have each graph. Use a leading coefficient of 1 or and make the degree of as small as possible. c. Use both the equation in part (b) and the graph to find the y-intercept.

In Exercises 65 72, complete graphs of polynomial functions whose zeros are integers are shown. a. Find the zeros and state whether the multiplicity of each zero is even or odd. b. Write an equation, expressed as the product of factors, of a polynomial function that might have each graph. Use a leading coefficient of 1 or and make the degree of as small as possible. c. Use both the equation in part (b) and the graph to find the y-intercept.

In Exercises 65 72, complete graphs of polynomial functions whose zeros are integers are shown. a. Find the zeros and state whether the multiplicity of each zero is even or odd. b. Write an equation, expressed as the product of factors, of a polynomial function that might have each graph. Use a leading coefficient of 1 or and make the degree of as small as possible. c. Use both the equation in part (b) and the graph to find the y-intercept.

In Exercises 65 72, complete graphs of polynomial functions whose zeros are integers are shown. a. Find the zeros and state whether the multiplicity of each zero is even or odd. b. Write an equation, expressed as the product of factors, of a polynomial function that might have each graph. Use a leading coefficient of 1 or and make the degree of as small as possible. c. Use both the equation in part (b) and the graph to find the y-intercept.

a. Use both functions to find the number of Americans living with HIV and AIDS in 2003. Which function provides a better description for the actual number shown in the bar graph? b. Consider the function from part (a) that serves as a better model for 2003. Use the Leading Coefficient Test to determine the end behavior to the right for the graph of this function. Will the function be useful in modeling the number of Americans living with HIV and AIDS over an extended period of time? Explain your answer

a. Use both functions to find the number of Americans living with HIV and AIDS in 2005. Which function provides a better description for the actual number shown in the bar graph? b. Consider the function from part (a) that serves as a better model for 2005. Use the Leading Coefficient Test to determine the end behavior to the right for the graph of this function. Based on this end behavior, can the function be used to model the number of Americans living with HIV and AIDS over an extended period of time? Explain

During a diagnostic evaluation, a 33-year-old woman experienced a panic attack a few minutes after she had been asked to relax her whole body. The graph shows the rapid increase in heart rate during the panic attack. 120 100 80 60 110 90 70 Heart Rate (beats per minute) Time (minutes) Heart Rate before and during a Panic Attack 0 2 1 3 5 7 4 6 8 9 10 12 11 Baseline Relaxation Panic Attack Onset of Panic attack Source: Davis and Palladino, Psychology, Fifth Edition, Prentice Hall, 2007 a. For which time periods during the diagnostic evaluation was the woman s heart rate increasing? b. For which time periods during the diagnostic evaluation was the woman s heart rate decreasing? c. How many turning points (from increasing to decreasing or from decreasing to increasing) occurred for the woman s heart rate during the first 12 minutes of the diagnostic evaluation? d. Suppose that a polynomial function is used to model the data displayed by the graph using (time during the evaluation, heart rate). Use the number of turning points to determine the degree of the polynomial function of best fit. e. For the model in part (d), should the leading coefficient of the polynomial function be positive or negative? Explain your answer. f. Use the graph to estimate the woman s maximum heart rate during the first 12 minutes of the diagnostic evaluation. After how many minutes did this occur? g. Use the graph to estimate the woman s minimum heart rate during the first 12 minutes of the diagnostic evaluation. After how many minutes did this occur?

Even after a campaign to curb grade inflation, 51% of the grades given at Harvard in the 2005 school year were or better. The graph shows the percentage of Harvard students with averages or better for the period from 1960 through 2005.a. For which years was the percentage of students with averages or better increasing? b. For which years was the percentage of students with averages or better decreasing? c. How many turning points (from increasing to decreasing or from decreasing to increasing) does the graph have for the period shown? d. Suppose that a polynomial function is used to model the data shown in the graph using Use the number of turning points to determine the degree of the polynomial function of best fit. e. For the model in part (d), should the leading coefficient of the polynomial function be positive or negative? Explain your answer. f. Use the graph to estimate the maximum percentage of Harvard students with averages or better. In which year did this occur? g. Use the graph to estimate the minimum percentage of Harvard students with averages or better. In which year did this occur?

What is a polynomial function?

What do we mean when we describe the graph of a polynomial function as smooth and continuous?

What is meant by the end behavior of a polynomial function?

Explain how to use the Leading Coefficient Test to determine the end behavior of a polynomial function.

Why is a third-degree polynomial function with a negative leading coefficient not appropriate for modeling nonnegative real-world phenomena over a long period of time?

What are the zeros of a polynomial function and how are they found?

Explain the relationship between the multiplicity of a zero and whether or not the graph crosses or touches the at that zero

If is a polynomial function, and and have opposite signs, what must occur between and If and have the same sign, does it necessarily mean that this will not occur? Explain your answer.

Explain the relationship between the degree of a polynomial function and the number of turning points on its graph.

Can the graph of a polynomial function have no Explain

Can the graph of a polynomial function have no Explain.

Describe a strategy for graphing a polynomial function. In your description, mention intercepts, the polynomial s degree, and turning points.

Use a graphing utility to verify any five of the graphs that you drew by hand in Exercises 41 64.

Write a polynomial function that imitates the end behavior of each graph in Exercises 90 93. The dashed portions of the graphs indicate that you should focus only on imitating the left and right behavior of the graph and can be flexible about what occurs between the left and right ends. Then use your graphing utility to graph the polynomial function and verify that you imitated the end behavior shown in the given graph.

Write a polynomial function that imitates the end behavior of each graph in Exercises 90 93. The dashed portions of the graphs indicate that you should focus only on imitating the left and right behavior of the graph and can be flexible about what occurs between the left and right ends. Then use your graphing utility to graph the polynomial function and verify that you imitated the end behavior shown in the given graph.

Write a polynomial function that imitates the end behavior of each graph in Exercises 90 93. The dashed portions of the graphs indicate that you should focus only on imitating the left and right behavior of the graph and can be flexible about what occurs between the left and right ends. Then use your graphing utility to graph the polynomial function and verify that you imitated the end behavior shown in the given graph.

Write a polynomial function that imitates the end behavior of each graph in Exercises 90 93. The dashed portions of the graphs indicate that you should focus only on imitating the left and right behavior of the graph and can be flexible about what occurs between the left and right ends. Then use your graphing utility to graph the polynomial function and verify that you imitated the end behavior shown in the given graph.

In Exercises 94 97, use a graphing utility with a viewing rectangle large enough to show end behavior to graph each polynomial function

In Exercises 94 97, use a graphing utility with a viewing rectangle large enough to show end behavior to graph each polynomial function

In Exercises 94 97, use a graphing utility with a viewing rectangle large enough to show end behavior to graph each polynomial function

In Exercises 94 97, use a graphing utility with a viewing rectangle large enough to show end behavior to graph each polynomial function

In Exercises 98 99, use a graphing utility to graph and in the same viewing rectangle. Then use the feature to show that and have identical end behavior.

In Exercises 98 99, use a graphing utility to graph and in the same viewing rectangle. Then use the feature to show that and have identical end behavior.

When I m trying to determine end behavior, it s the coefficient of the leading term of a polynomial function that I should inspect.

I graphed and the graph touched the and turned around at

I m graphing a fourth-degree polynomial function with four turning points.

Although I have not yet learned techniques for finding the of I can easily determine the y-intercept

If then the graph of falls to the left and falls to the righ

A mathematical model that is a polynomial of degree whose leading term is odd and is ideally suited to describe phenomena that have positive values over unlimited periods of time

There is more than one third-degree polynomial function with the same three x-intercepts.

The graph of a function with origin symmetry can rise to the left and rise to the right.

Use the descriptions in Exercises 108 109 to write an equation of a polynomial function with the given characteristics. Use a graphing utility to graph your function to see if you are correct. If not, modify the function s equation and repeat this process.

Use the descriptions in Exercises 108 109 to write an equation of a polynomial function with the given characteristics. Use a graphing utility to graph your function to see if you are correct. If not, modify the function s equation and repeat this process.

Divide 737 by 21 without using a calculator. Write the answer asuotient +remainderdivisor

Rewrite in descending powers 4 - 5x - x x. 2 + 6x

Use to factor 2x completely. 2x3 - 3x2 - 11x + 6x - 3 = 2x2 + 3x - 2