 2.7.1: To solve a polynomial inequality, find the ________ numbers of the ...
 2.7.2: The critical numbers of a rational expression are its ________ and ...
 2.7.3: The formula that relates cost, revenue, and profit is ________.
 2.7.4: In Exercises 14, determine whether each value of is a solution of t...
 2.7.5: In Exercises 58, find the critical numbers of the expression.
 2.7.6: In Exercises 58, find the critical numbers of the expression.
 2.7.7: In Exercises 58, find the critical numbers of the expression.
 2.7.8: In Exercises 58, find the critical numbers of the expression.
 2.7.9: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.10: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.11: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.12: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.13: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.14: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.15: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.16: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.17: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.18: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.19: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.20: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.21: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.22: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.23: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.24: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.25: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.26: In Exercises 926, solve the inequality and graph the solution on th...
 2.7.27: In Exercises 2732, solve the inequality and write the solution set ...
 2.7.28: In Exercises 2732, solve the inequality and write the solution set ...
 2.7.29: In Exercises 2732, solve the inequality and write the solution set ...
 2.7.30: In Exercises 2732, solve the inequality and write the solution set ...
 2.7.31: In Exercises 2732, solve the inequality and write the solution set ...
 2.7.32: In Exercises 2732, solve the inequality and write the solution set ...
 2.7.33: (a) (b)
 2.7.34: In Exercises 3336, use a graphing utility to graph the equation.Use...
 2.7.35: In Exercises 3336, use a graphing utility to graph the equation.Use...
 2.7.36: In Exercises 3336, use a graphing utility to graph the equation.Use...
 2.7.37: In Exercises 3750, solve the in
 2.7.38: In Exercises 3750, solve the in
 2.7.39: In Exercises 3750, solve the in
 2.7.40: In Exercises 3750, solve the in
 2.7.41: In Exercises 3750, solve the in
 2.7.42: In Exercises 3750, solve the in
 2.7.43: In Exercises 3750, solve the in
 2.7.44: In Exercises 3750, solve the in
 2.7.45: In Exercises 3750, solve the in
 2.7.46: In Exercises 3750, solve the in
 2.7.47: In Exercises 3750, solve the in
 2.7.48: In Exercises 3750, solve the in
 2.7.49: In Exercises 3750, solve the in
 2.7.50: In Exercises 3750, solve the in 3x x _ 1 x x _ 4
 2.7.51: In Exercises 5154, use a graphing utility to graph the equation.Use...
 2.7.52: In Exercises 5154, use a graphing utility to graph the equation.Use...
 2.7.53: In Exercises 5154, use a graphing utility to graph the equation.Use...
 2.7.54: In Exercises 5154, use a graphing utility to graph the equation.Use...
 2.7.55: In Exercises 5560, find the domain of in the expression. Use a grap...
 2.7.56: In Exercises 5560, find the domain of in the expression. Use a grap...
 2.7.57: In Exercises 5560, find the domain of in the expression. Use a grap...
 2.7.58: In Exercises 5560, find the domain of in the expression. Use a grap...
 2.7.59: In Exercises 5560, find the domain of in the expression. Use a grap...
 2.7.60: In Exercises 5560, find the domain of in the expression. Use a grap...
 2.7.61: In Exercises 6166, solve the inequality. (Round your answers to two...
 2.7.62: In Exercises 6166, solve the inequality. (Round your answers to two...
 2.7.63: In Exercises 6166, solve the inequality. (Round your answers to two...
 2.7.64: In Exercises 6166, solve the inequality. (Round your answers to two...
 2.7.65: In Exercises 6166, solve the inequality. (Round your answers to two...
 2.7.66: In Exercises 6166, solve the inequality. (Round your answers to two...
 2.7.67: Height of a Projectile A projectile is fired straight upward from g...
 2.7.68: Height of a Projectile A projectile is fired straight upward from g...
 2.7.69: Geometry A rectangular playing field with a perimeter of 100 meters...
 2.7.70: Geometry A rectangular parking lot with a perimeter of 440 feet is ...
 2.7.71: Cost, Revenue, and Profit The revenue and cost equations for a prod...
 2.7.72: Cost, Revenue, and Profit The revenue and cost equations for a prod...
 2.7.73: Cable Television The percents of households in the United States th...
 2.7.74: Safe Load The maximum safe load uniformly distributed over a onefo...
 2.7.75: Resistors When two resistors of resistances and are connected in pa...
 2.7.76: Education The numbers (in thousands) of masters degrees earned by w...
 2.7.77: True or False? In Exercises 77 and 78, determine whether the statem...
 2.7.78: True or False? In Exercises 77 and 78, determine whether the statem...
 2.7.79: Exploration In Exercises 7982, find the interval for such that the ...
 2.7.80: Exploration In Exercises 7982, find the interval for such that the ...
 2.7.81: Exploration In Exercises 7982, find the interval for such that the ...
 2.7.82: Exploration In Exercises 7982, find the interval for such that the ...
 2.7.83: (a) Write a conjecture about the intervals for in Exercises 7982. E...
 2.7.84: Consider the polynomial and the real number line shown below. (a) I...
 2.7.85: In Exercises 8588, factor the expression completely.
 2.7.86: In Exercises 8588, factor the expression completely.
 2.7.87: In Exercises 8588, factor the expression completely.
 2.7.88: In Exercises 8588, factor the expression completely.
 2.7.89: In Exercises 89 and 90, write an expression for the area of the reg...
 2.7.90: In Exercises 89 and 90, write an expression for the area of the reg...
Solutions for Chapter 2.7: Nonlinear Inequalities
Full solutions for Precalculus  7th Edition
ISBN: 9780618643448
Solutions for Chapter 2.7: Nonlinear Inequalities
Get Full SolutionsSince 90 problems in chapter 2.7: Nonlinear Inequalities have been answered, more than 40122 students have viewed full stepbystep solutions from this chapter. Chapter 2.7: Nonlinear Inequalities includes 90 full stepbystep solutions. Precalculus was written by and is associated to the ISBN: 9780618643448. This textbook survival guide was created for the textbook: Precalculus, edition: 7. This expansive textbook survival guide covers the following chapters and their solutions.

Absolute value of a complex number
The absolute value of the complex number z = a + b is given by ?a2+b2; also, the length of the segment from the origin to z in the complex plane.

Angle between vectors
The angle formed by two nonzero vectors sharing a common initial point

Arccosecant function
See Inverse cosecant function.

Blocking
A feature of some experimental designs that controls for potential differences between subject groups by applying treatments randomly within homogeneous blocks of subjects

Categorical variable
In statistics, a nonnumerical variable such as gender or hair color. Numerical variables like zip codes, in which the numbers have no quantitative significance, are also considered to be categorical.

Complex fraction
See Compound fraction.

Derivative of ƒ
The function defined by ƒ'(x) = limh:0ƒ(x + h)  ƒ(x)h for all of x where the limit exists

Empty set
A set with no elements

Factor
In algebra, a quantity being multiplied in a product. In statistics, a potential explanatory variable under study in an experiment, .

Factoring (a polynomial)
Writing a polynomial as a product of two or more polynomial factors.

Gaussian curve
See Normal curve.

Identity
An equation that is always true throughout its domain.

Linear regression
A procedure for finding the straight line that is the best fit for the data

Main diagonal
The diagonal from the top left to the bottom right of a square matrix

Parallelogram representation of vector addition
Geometric representation of vector addition using the parallelogram determined by the position vectors.

Pointslope form (of a line)
y  y1 = m1x  x 12.

Polynomial function
A function in which ƒ(x)is a polynomial in x, p. 158.

Symmetric property of equality
If a = b, then b = a

Third quartile
See Quartile.

Vertex form for a quadratic function
ƒ(x) = a(x  h)2 + k