 Chapter 3.Chapter 3.1: In Exercises 1 4, the graph of an exponential function is given. Se...
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 Chapter 3.Chapter 3.3: In Exercises 1 4, the graph of an exponential function is given. Se...
 Chapter 3.Chapter 3.4: In Exercises 1 4, the graph of an exponential function is given. Se...
 Chapter 3.Chapter 3.5: In Exercises 5 9, graph and in the same rectangular coordinate syst...
 Chapter 3.Chapter 3.6: In Exercises 5 9, graph and in the same rectangular coordinate syst...
 Chapter 3.Chapter 3.7: In Exercises 5 9, graph and in the same rectangular coordinate syst...
 Chapter 3.Chapter 3.8: In Exercises 5 9, graph and in the same rectangular coordinate syst...
 Chapter 3.Chapter 3.9: In Exercises 5 9, graph and in the same rectangular coordinate syst...
 Chapter 3.Chapter 3.10: Suppose that you have $5000 to invest. Which investment yields the ...
 Chapter 3.Chapter 3.11: Suppose that you have $14,000 to invest. Which investment yields th...
 Chapter 3.Chapter 3.12: A cup of coffee is taken out of a microwave oven and placed in a ro...
 Chapter 3.Chapter 3.13: In Exercises 13 15, write each equation in its equivalent exponenti...
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 Chapter 3.Chapter 3.16: In Exercises 16 18, write each equation in its equivalent logarithm...
 Chapter 3.Chapter 3.17: In Exercises 16 18, write each equation in its equivalent logarithm...
 Chapter 3.Chapter 3.18: In Exercises 16 18, write each equation in its equivalent logarithm...
 Chapter 3.Chapter 3.19: In Exercises 19 29, evaluate each expression without using a calcul...
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 Chapter 3.Chapter 3.21: In Exercises 19 29, evaluate each expression without using a calcul...
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 Chapter 3.Chapter 3.29: In Exercises 19 29, evaluate each expression without using a calcul...
 Chapter 3.Chapter 3.30: Graph and in the same rectangular coordinate system. Use the graphs...
 Chapter 3.Chapter 3.31: Graph and in the same rectangular coordinate system. Use the graphs...
 Chapter 3.Chapter 3.32: In Exercises 32 35, the graph of a logarithmic function is given. S...
 Chapter 3.Chapter 3.33: In Exercises 32 35, the graph of a logarithmic function is given. S...
 Chapter 3.Chapter 3.34: In Exercises 32 35, the graph of a logarithmic function is given. S...
 Chapter 3.Chapter 3.35: In Exercises 32 35, the graph of a logarithmic function is given. S...
 Chapter 3.Chapter 3.36: In Exercises 36 38, begin by graphing Then use transformations of t...
 Chapter 3.Chapter 3.37: In Exercises 36 38, begin by graphing Then use transformations of t...
 Chapter 3.Chapter 3.38: In Exercises 36 38, begin by graphing Then use transformations of t...
 Chapter 3.Chapter 3.39: In Exercises 39 40, graph and in the same rectangular coordinate sy...
 Chapter 3.Chapter 3.40: In Exercises 39 40, graph and in the same rectangular coordinate sy...
 Chapter 3.Chapter 3.41: In Exercises 41 43, find the domain of each logarithmic function.
 Chapter 3.Chapter 3.42: In Exercises 41 43, find the domain of each logarithmic function.
 Chapter 3.Chapter 3.43: In Exercises 41 43, find the domain of each logarithmic function.
 Chapter 3.Chapter 3.44: In Exercises 44 46, use inverse properties of logarithms to simplif...
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 Chapter 3.Chapter 3.47: On the Richter scale, the magnitude, of an earthquake of intensity ...
 Chapter 3.Chapter 3.48: Students in a psychology class took a final examination. As part of...
 Chapter 3.Chapter 3.49: The formula describes the time, in weeks, that it takes to achieve ...
 Chapter 3.Chapter 3.50: In Exercises 50 53, use properties of logarithms to expand each log...
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 Chapter 3.Chapter 3.58: In Exercises 58 59, use common logarithms or natural logarithms and...
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 Chapter 3.Chapter 3.60: In Exercises 60 63, determine whether each equation is true or fals...
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 Chapter 3.Chapter 3.64: In Exercises 64 73, solve each exponential equation. Where necessar...
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 Chapter 3.Chapter 3.74: In Exercises 74 79, solve each logarithmic equation
 Chapter 3.Chapter 3.75: In Exercises 74 79, solve each logarithmic equation
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 Chapter 3.Chapter 3.77: In Exercises 74 79, solve each logarithmic equation
 Chapter 3.Chapter 3.78: In Exercises 74 79, solve each logarithmic equation
 Chapter 3.Chapter 3.79: In Exercises 74 79, solve each logarithmic equation
 Chapter 3.Chapter 3.80: The function models the average atmospheric pressure, in pounds per...
 Chapter 3.Chapter 3.81: The amount of carbon dioxide in the atmosphere, measured in parts p...
 Chapter 3.Chapter 3.82: The function models the average walking speed, in feet per second, ...
 Chapter 3.Chapter 3.83: Use the formula for compound interest with compoundings per year to...
 Chapter 3.Chapter 3.84: How long, to the nearest tenth of a year, will it take $50,000 to t...
 Chapter 3.Chapter 3.85: What interest rate, to the nearest percent, is required for an inve...
 Chapter 3.Chapter 3.86: According to the U.S. Bureau of the Census, in 1990 there were 22.4...
 Chapter 3.Chapter 3.87: Use the exponential decay model, to solve this exercise. The halfl...
 Chapter 3.Chapter 3.88: The function models the number of people, in a city who have become...
 Chapter 3.Chapter 3.89: Use Newton s Law of Cooling, to solve this exercise. You are served...
 Chapter 3.Chapter 3.90: Exercises 90 91 present data in the form of tables. For each data s...
 Chapter 3.Chapter 3.91: Exercises 90 91 present data in the form of tables. For each data s...
 Chapter 3.Chapter 3.92: In Exercises 92 93, rewrite the equation in terms of base Express t...
 Chapter 3.Chapter 3.93: In Exercises 92 93, rewrite the equation in terms of base Express t...
 Chapter 3.Chapter 3.94: The figure shows world population projections through the year 2150...
Solutions for Chapter Chapter 3: Equations and Inequalities
Full solutions for Precalculus  4th Edition
ISBN: 9780321559845
Solutions for Chapter Chapter 3: Equations and Inequalities
Get Full SolutionsThis expansive textbook survival guide covers the following chapters and their solutions. Chapter Chapter 3: Equations and Inequalities includes 94 full stepbystep solutions. Since 94 problems in chapter Chapter 3: Equations and Inequalities have been answered, more than 76268 students have viewed full stepbystep solutions from this chapter. Precalculus was written by and is associated to the ISBN: 9780321559845. This textbook survival guide was created for the textbook: Precalculus, edition: 4.

Common difference
See Arithmetic sequence.

Common logarithm
A logarithm with base 10.

Compound fraction
A fractional expression in which the numerator or denominator may contain fractions

Directed angle
See Polar coordinates.

Ellipse
The set of all points in the plane such that the sum of the distances from a pair of fixed points (the foci) is a constant

Firstdegree equation in x , y, and z
An equation that can be written in the form.

Halfplane
The graph of the linear inequality y ? ax + b, y > ax + b y ? ax + b, or y < ax + b.

Magnitude of an arrow
The magnitude of PQ is the distance between P and Q

Midpoint (in Cartesian space)
For the line segment with endpoints (x 1, y1, z 1) and (x2, y2, z2), ax 1 + x 22 ,y1 + y22 ,z 1 + z 22 b

n factorial
For any positive integer n, n factorial is n! = n.(n  1) . (n  2) .... .3.2.1; zero factorial is 0! = 1

Nappe
See Right circular cone.

nth root
See Principal nth root

Parametrization
A set of parametric equations for a curve.

Phase shift
See Sinusoid.

Reflexive property of equality
a = a

Symmetric about the origin
A graph in which (x, y) is on the the graph whenever (x, y) is; or a graph in which (r, ?) or (r, ? + ?) is on the graph whenever (r, ?) is

symmetric about the xaxis
A graph in which (x, y) is on the graph whenever (x, y) is; or a graph in which (r, ?) or (r, ?, ?) is on the graph whenever (r, ?) is

Unit ratio
See Conversion factor.

yzplane
The points (0, y, z) in Cartesian space.

Zero factor property
If ab = 0 , then either a = 0 or b = 0.