Calculus
11th Edition
ISBN: 9781337275576
Author: Larson, Ron, Edwards, Bruce
Publisher: Cengage Learning,
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Chapter 1, Problem 62RE
To determine
The intervals on which the given function f ( x ) = 4 x 2 + 7 x − 2 x + 2
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Students have asked these similar questions
Suppose f and g are the piecewise-defined functions defined
here. For each combination of functions in Exercises 51–56,
(a) find its values at x = -1, x = 0, x = 1, x = 2, and x = 3,
(b) sketch its graph, and (c) write the combination as a
piecewise-defined function.
f(x) = {
(2x + 1, ifx 0
g(x) = {
-x, if x 2
8(4):
51. (f+g)(x)
52. 3f(x)
53. (gof)(x)
56. g(3x)
54. f(x) – 1
55. f(x – 1)
Evaluating a Function In Exercises 31–34, completethe table.
In Exercises 87–88, use the graph of f(x) = |4 – x| to solve each
equation or inequality.
y
flx) = |4 – x|
y = 53-
y = 1
$ 9 10
87. 14 - x| = 1
88. 14 - x| < 5
Chapter 1 Solutions
Calculus
Ch. 1.1 - CONCEPT CHECK Precalculus and Calculus Describe...Ch. 1.1 - CONCEPT CHECK Secant and Tangent Lines Discuss the...Ch. 1.1 - Precalculus or Calculus In Exercises 3-6.decide...Ch. 1.1 - Precalculus or Calculus In Exercises 3-6.decide...Ch. 1.1 - Precalculus or Calculus In Exercises 3-6.decide...Ch. 1.1 - Precalculus or Calculus In Exercises 3-6.decide...Ch. 1.1 - Secant Lines Consider the function f(x)=x and the...Ch. 1.1 - Secant Lines Consider the function f(x) = 6x x2...Ch. 1.1 - Approximating Area Use the rectangles in each...Ch. 1.1 - HOW DO YOU SEE IT? How would you describe the...
Ch. 1.1 - Length of a Curve Consider the length of the graph...Ch. 1.2 - Describing Notation Write a brief description of...Ch. 1.2 - CONCEPT CHECK Limits That Fail to Exist Identify...Ch. 1.2 - Formal Definition of Limit Given the limit...Ch. 1.2 - CONCEPT CHECK Functions and Limits Is the limit of...Ch. 1.2 - Estimating a Limit Numerically In Exercises 5-10,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 5-10,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 5-10,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 5-10,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 11-18,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 11-18,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 11-18,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 11-18,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 11-18,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 11-18,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 11-18,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 11-18,...Ch. 1.2 - Prob. 19ECh. 1.2 - Limits That Fail to Exist In Exercises 19 and 20,...Ch. 1.2 - Finding a Limit Graphically In Exercises 21-28,...Ch. 1.2 - Finding a Limit Graphically In Exercises 21-28,...Ch. 1.2 - Finding a Limit Graphically In Exercises 21-28,...Ch. 1.2 - Finding a Limit Graphically In Exercises 21-28,...Ch. 1.2 - Finding a Limit Graphically In Exercises 21-28,...Ch. 1.2 - Finding a Limit Graphically In Exercises 21-28,...Ch. 1.2 - Finding a Limit Graphically In Exercises 21-28,...Ch. 1.2 - Finding a Limit Graphically In Exercises 21-28,...Ch. 1.2 - Graphical Reasoning In Exercises 29 and 30, use...Ch. 1.2 - Graphical Reasoning In Exercises 29 and 30, use...Ch. 1.2 - Limits of a Piecewise Function In Exercises 31 and...Ch. 1.2 - Prob. 32ECh. 1.2 - Prob. 33ECh. 1.2 - Prob. 34ECh. 1.2 - Prob. 35ECh. 1.2 - Finding a for a Given The graph of f(x)=1x1 is...Ch. 1.2 - Prob. 37ECh. 1.2 - Prob. 38ECh. 1.2 - Prob. 39ECh. 1.2 - Prob. 40ECh. 1.2 - Prob. 41ECh. 1.2 - Prob. 42ECh. 1.2 - Prob. 43ECh. 1.2 - Prob. 44ECh. 1.2 - Prob. 45ECh. 1.2 - Prob. 46ECh. 1.2 - Using the Definition of Limit In Exercises 45-56,...Ch. 1.2 - Prob. 48ECh. 1.2 - Prob. 49ECh. 1.2 - Prob. 50ECh. 1.2 - Prob. 51ECh. 1.2 - Prob. 52ECh. 1.2 - Prob. 53ECh. 1.2 - Prob. 54ECh. 1.2 - Using the Definition of Limit In Exercises 45-56,...Ch. 1.2 - Prob. 56ECh. 1.2 - Prob. 57ECh. 1.2 - Prob. 58ECh. 1.2 - Prob. 59ECh. 1.2 - Prob. 60ECh. 1.2 - Prob. 61ECh. 1.2 - Prob. 62ECh. 1.2 - Prob. 63ECh. 1.2 - Using the Definition of Limit The definition of...Ch. 1.2 - Comparing Functions and Limits If f(2)=4, can you...Ch. 1.2 - Prob. 66ECh. 1.2 - Jewelry A jeweler resizes a ring so that its inner...Ch. 1.2 - Sports A sporting goods manufacturer designs a...Ch. 1.2 - Prob. 69ECh. 1.2 - Prob. 70ECh. 1.2 - Prob. 71ECh. 1.2 - HOW DO YOU SEE IT? Use the graph of f to identify...Ch. 1.2 - Prob. 73ECh. 1.2 - Prob. 74ECh. 1.2 - Prob. 75ECh. 1.2 - Prob. 76ECh. 1.2 - Prob. 77ECh. 1.2 - Prob. 78ECh. 1.2 - Evaluating Limits Use a graphing utility to...Ch. 1.2 - Prob. 80ECh. 1.2 - Proof Prove that if the limit of f(x) as x...Ch. 1.2 - Prob. 82ECh. 1.2 - Prob. 83ECh. 1.2 - Prob. 84ECh. 1.2 - Inscribe a rectangle of base b and height h in a...Ch. 1.2 - Prob. 86ECh. 1.2 - Estimating a Limit Numerically In Exercises 5-10,...Ch. 1.2 - Estimating a Limit Numerically In Exercises 5-10,...Ch. 1.3 - CONCEPT CHECK Polynomial Function Describe how to...Ch. 1.3 - Prob. 2ECh. 1.3 - Squeeze Theorem In your own words, explain the...Ch. 1.3 - Prob. 4ECh. 1.3 - Prob. 5ECh. 1.3 - Finding a Limit In Exercises 5-22. find the limit....Ch. 1.3 - Prob. 7ECh. 1.3 - Finding a Limit In Exercises 5-22. find the limit....Ch. 1.3 - Prob. 9ECh. 1.3 - Prob. 12ECh. 1.3 - Prob. 13ECh. 1.3 - Prob. 14ECh. 1.3 - Prob. 11ECh. 1.3 - Prob. 10ECh. 1.3 - Prob. 15ECh. 1.3 - Finding a Limit In Exercises 5-22, find the limit....Ch. 1.3 - Prob. 17ECh. 1.3 - Prob. 18ECh. 1.3 - Prob. 19ECh. 1.3 - Prob. 20ECh. 1.3 - Prob. 21ECh. 1.3 - Finding a Limit In Exercises 5-22, find the limit....Ch. 1.3 - Finding Limits In Exercises 23-26, Find the...Ch. 1.3 - Finding Limits In Exercises 23-26, Find the...Ch. 1.3 - Finding Limits In Exercises 23-26, Find the...Ch. 1.3 - Prob. 26ECh. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Prob. 28ECh. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Prob. 32ECh. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Prob. 34ECh. 1.3 - Prob. 35ECh. 1.3 - Prob. 36ECh. 1.3 - Prob. 37ECh. 1.3 - Evaluating Limits In Exercises 37-40, use the...Ch. 1.3 - Evaluating Limits In Exercises 37-40, use the...Ch. 1.3 - Evaluating Limits In Exercises 37-40, use the...Ch. 1.3 - Finding a Limit In Exercises 41-46, write a...Ch. 1.3 - Finding a Limit In Exercises 41-46, write a...Ch. 1.3 - Finding a Limit In Exercises 41-46, write a...Ch. 1.3 - Finding a Limit In Exercises 41-46, write a...Ch. 1.3 - Finding a Limit In Exercises 41-46, write a...Ch. 1.3 - Finding a Limit In Exercises 41-46, write a...Ch. 1.3 - Prob. 47ECh. 1.3 - Prob. 48ECh. 1.3 - Finding a Limit In Exercises 4762, find the limit....Ch. 1.3 - Finding a Limit In Exercises 4762, find the limit....Ch. 1.3 - Finding a Limit In Exercises 47-62, find the...Ch. 1.3 - Finding a Limit In Exercises 47-62, find the...Ch. 1.3 - Finding a Limit In Exercises 47-62, find the...Ch. 1.3 - Finding a Limit In Exercises 47-62, find the...Ch. 1.3 - Prob. 55ECh. 1.3 - Prob. 56ECh. 1.3 - Finding a Limit In Exercises 47-62, find the...Ch. 1.3 - Prob. 58ECh. 1.3 - Finding a Limit In Exercises 47-62, find the...Ch. 1.3 - Finding a Limit In Exercises 47-62, find the...Ch. 1.3 - Prob. 61ECh. 1.3 - Finding a Limit In Exercises 47-62, find the...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Prob. 71ECh. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Prob. 73ECh. 1.3 - Finding a Limit of a Trigonometric Function In...Ch. 1.3 - Prob. 75ECh. 1.3 - Prob. 76ECh. 1.3 - Prob. 77ECh. 1.3 - Prob. 78ECh. 1.3 - Prob. 79ECh. 1.3 - Prob. 80ECh. 1.3 - Prob. 81ECh. 1.3 - Prob. 82ECh. 1.3 - Prob. 83ECh. 1.3 - Finding a Limit In Exercises 83-90, find...Ch. 1.3 - Prob. 85ECh. 1.3 - Finding a Limit In Exercises 83-90, find...Ch. 1.3 - Prob. 87ECh. 1.3 - Prob. 88ECh. 1.3 - Prob. 89ECh. 1.3 - Prob. 90ECh. 1.3 - Using the Squeeze Theorem In Exercises 91 and 92,...Ch. 1.3 - Using the Squeeze Theorem In Exercises 91 and 92,...Ch. 1.3 - Using the Squeeze Theorem In Exercises 93-96, use...Ch. 1.3 - Using the Squeeze Theorem In Exercises 93-96, use...Ch. 1.3 - Prob. 95ECh. 1.3 - Prob. 96ECh. 1.3 - Functions That Agree at All but One Point (a) In...Ch. 1.3 - Prob. 98ECh. 1.3 - Prob. 99ECh. 1.3 - HOW DO YOU SEE IT? Would you use the dividing out...Ch. 1.3 - Prob. 101ECh. 1.3 - Free-Falling Object In Exercises 101 and 102. use...Ch. 1.3 - Free-Falling Object In Exercises 103 and 104, use...Ch. 1.3 - Free-Falling Object In Exercises 103 and 104, use...Ch. 1.3 - Prob. 105ECh. 1.3 - Prob. 106ECh. 1.3 - Proof Prove Property 1 of Theorem 1.1.Ch. 1.3 - Proof Prove Property 3 of Theorem 1.1. (You may...Ch. 1.3 - Proof Prove Property 1 of Theorem 1.2.Ch. 1.3 - Prob. 110ECh. 1.3 - Prob. 111ECh. 1.3 - Prob. 112ECh. 1.3 - Prob. 113ECh. 1.3 - Prob. 114ECh. 1.3 - Prob. 115ECh. 1.3 - Prob. 116ECh. 1.3 - Prob. 117ECh. 1.3 - True or False? In Exercises 115-120, determine...Ch. 1.3 - Prob. 119ECh. 1.3 - Prob. 120ECh. 1.3 - Prob. 121ECh. 1.3 - Piecewise Functions Let...Ch. 1.3 - Graphical Reasoning Consider f(x)=secx1x2. (a)...Ch. 1.3 - Approximation (a) Find limx01cosxx2. 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In Exercises 105-110. determine...Ch. 1.4 - True or False? In Exercises 105-110. determine...Ch. 1.4 - Prob. 110ECh. 1.4 - Prob. 111ECh. 1.4 - HOW DO YOU SEE IT? Every day you dissolve 28...Ch. 1.4 - Prob. 113ECh. 1.4 - Prob. 114ECh. 1.4 - Dj Vu At 8:00 a.m. on Saturday, a nun begins...Ch. 1.4 - Volume Use the Intermediate Value Theorem to show...Ch. 1.4 - Prob. 117ECh. 1.4 - Prob. 118ECh. 1.4 - Prob. 119ECh. 1.4 - Signum Function The signum function is defined by...Ch. 1.4 - Prob. 121ECh. 1.4 - Creating Models A swimmer crosses a pool of width...Ch. 1.4 - Making a Function Continuous Find all values of c...Ch. 1.4 - Prob. 124ECh. 1.4 - Prob. 125ECh. 1.4 - Prob. 126ECh. 1.4 - Prob. 127ECh. 1.4 - Prob. 128ECh. 1.4 - Prob. 129ECh. 1.4 - Prob. 130ECh. 1.5 - Infinite Limit In your own words, describe the...Ch. 1.5 - Prob. 2ECh. 1.5 - Determining Infinite Limits from a Graph In...Ch. 1.5 - Determining Infinite Limits from a Graph In...Ch. 1.5 - Determining Infinite Limits from a Graph In...Ch. 1.5 - Prob. 6ECh. 1.5 - Prob. 7ECh. 1.5 - Determining Infinite Limits from a Graph In...Ch. 1.5 - Determining Infinite Limits from a Graph In...Ch. 1.5 - Determining Infinite Limits from a Graph In...Ch. 1.5 - Numerical and Graphical Analysis In Exercises...Ch. 1.5 - Numerical and Graphical Analysis In Exercises...Ch. 1.5 - Prob. 13ECh. 1.5 - Prob. 14ECh. 1.5 - Prob. 15ECh. 1.5 - Prob. 16ECh. 1.5 - Finding Vertical Asymptotes In Exercises 17-32....Ch. 1.5 - Prob. 18ECh. 1.5 - Finding Vertical Asymptotes In Exercises 17-32....Ch. 1.5 - Prob. 20ECh. 1.5 - Finding Vertical Asymptotes In Exercises 17-32....Ch. 1.5 - Prob. 22ECh. 1.5 - Finding Vertical Asymptotes In Exercises 17-32....Ch. 1.5 - Prob. 24ECh. 1.5 - Prob. 25ECh. 1.5 - Prob. 26ECh. 1.5 - Prob. 27ECh. 1.5 - Finding Vertical Asymptotes In Exercises 17-32....Ch. 1.5 - Finding Vertical Asymptotes In Exercises 17-32....Ch. 1.5 - Prob. 30ECh. 1.5 - Finding Vertical Asymptotes In Exercises 17-32....Ch. 1.5 - Finding Vertical Asymptotes In Exercises 17-32....Ch. 1.5 - Prob. 33ECh. 1.5 - Prob. 34ECh. 1.5 - Prob. 35ECh. 1.5 - Prob. 36ECh. 1.5 - Finding a One-Sided Limit In Exercises 37-50, find...Ch. 1.5 - Prob. 38ECh. 1.5 - Finding a One-Sided Limit In Exercises 37-50, find...Ch. 1.5 - Prob. 40ECh. 1.5 - Prob. 41ECh. 1.5 - Prob. 42ECh. 1.5 - Finding a One-Sided Limit In Exercises 37-50, find...Ch. 1.5 - Finding a One-Sided Limit In Exercises 37-50, find...Ch. 1.5 - Prob. 45ECh. 1.5 - Finding a One-Sided Limit In Exercises 37-50, find...Ch. 1.5 - Prob. 47ECh. 1.5 - Prob. 48ECh. 1.5 - Prob. 49ECh. 1.5 - Prob. 50ECh. 1.5 - Prob. 51ECh. 1.5 - Prob. 52ECh. 1.5 - Prob. 53ECh. 1.5 - Prob. 54ECh. 1.5 - Prob. 55ECh. 1.5 - Prob. 56ECh. 1.5 - Prob. 57ECh. 1.5 - Relativity According to the theory of relativity,...Ch. 1.5 - Prob. 59ECh. 1.5 - Prob. 60ECh. 1.5 - Rate of Change A 25-foot ladder is leaning against...Ch. 1.5 - Average Speed On a trip of d miles to another...Ch. 1.5 - Numerical and Graphical Analysis Consider the...Ch. 1.5 - Numerical and Graphical Reasoning A crossed belt...Ch. 1.5 - Prob. 65ECh. 1.5 - True or False? 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In Exercises 65-68, determine...Ch. 1.5 - Prob. 68ECh. 1.5 - Finding Functions Find functions f and g such that...Ch. 1.5 - Prob. 70ECh. 1.5 - Prob. 71ECh. 1.5 - Prob. 72ECh. 1.5 - Prob. 73ECh. 1.5 - Prob. 74ECh. 1.5 - Prob. 75ECh. 1.5 - Prob. 76ECh. 1 - Precalculus or Calculus In Exercises 1 and 2,...Ch. 1 - Precalculus or Calculus In Exercises 1 and 2,...Ch. 1 - Prob. 3RECh. 1 - Estimating a Limit Numerically In Exercises 3 and...Ch. 1 - Prob. 5RECh. 1 - Prob. 6RECh. 1 - Using the Definition of a Limit In Exercises 710,...Ch. 1 - Prob. 8RECh. 1 - Prob. 9RECh. 1 - Prob. 10RECh. 1 - Finding a Limit In Exercises 11-28, find the...Ch. 1 - Finding a Limit In Exercises 11-28, Find the...Ch. 1 - Prob. 13RECh. 1 - Prob. 15RECh. 1 - Prob. 14RECh. 1 - Prob. 16RECh. 1 - Prob. 17RECh. 1 - Prob. 18RECh. 1 - Prob. 19RECh. 1 - Prob. 20RECh. 1 - Prob. 21RECh. 1 - Prob. 22RECh. 1 - Prob. 23RECh. 1 - Prob. 24RECh. 1 - Finding a Limit In Exercises 1128, find the limit....Ch. 1 - Prob. 26RECh. 1 - Prob. 27RECh. 1 - Prob. 28RECh. 1 - Prob. 29RECh. 1 - Prob. 30RECh. 1 - Prob. 31RECh. 1 - Evaluating a Limit In Exercises 29-32, evaluate...Ch. 1 - Prob. 33RECh. 1 - Graphical, Numerical, and Analytic Analysis In...Ch. 1 - Prob. 35RECh. 1 - Prob. 36RECh. 1 - Free-Falling Object In Exercises 37 and 38. use...Ch. 1 - Free-Falling Object In Exercises 37 and 38. use...Ch. 1 - Prob. 39RECh. 1 - Prob. 40RECh. 1 - Prob. 41RECh. 1 - Finding a Limit In Exercises 39-50, find the limit...Ch. 1 - Finding a Limit In Exercises 39-50, find the limit...Ch. 1 - Prob. 44RECh. 1 - Prob. 45RECh. 1 - Prob. 46RECh. 1 - Prob. 47RECh. 1 - Prob. 48RECh. 1 - Prob. 49RECh. 1 - Prob. 50RECh. 1 - Prob. 51RECh. 1 - Prob. 52RECh. 1 - Prob. 53RECh. 1 - Prob. 54RECh. 1 - Prob. 55RECh. 1 - Prob. 56RECh. 1 - Prob. 57RECh. 1 - Prob. 58RECh. 1 - Prob. 59RECh. 1 - Prob. 60RECh. 1 - Prob. 61RECh. 1 - Prob. 62RECh. 1 - Prob. 63RECh. 1 - Prob. 64RECh. 1 - Prob. 65RECh. 1 - Prob. 66RECh. 1 - Using the Intermediate Value Theorem Use the...Ch. 1 - Prob. 68RECh. 1 - Prob. 69RECh. 1 - Prob. 70RECh. 1 - Prob. 71RECh. 1 - Determining Infinite Limits In Exercises 71 and...Ch. 1 - Prob. 73RECh. 1 - Prob. 74RECh. 1 - Prob. 75RECh. 1 - Prob. 76RECh. 1 - Prob. 77RECh. 1 - Prob. 78RECh. 1 - Finding a One-Sided Limit In Exercises 79-88, find...Ch. 1 - Prob. 80RECh. 1 - Prob. 81RECh. 1 - Prob. 82RECh. 1 - Prob. 83RECh. 1 - Prob. 84RECh. 1 - Prob. 85RECh. 1 - Prob. 86RECh. 1 - Prob. 87RECh. 1 - Prob. 88RECh. 1 - Environment A utility company burns coal to...Ch. 1 - Perimeter Let P (x. y) be a point on the parabola...Ch. 1 - Area Let P(x, y) be a point on the parabola y=x2...Ch. 1 - Prob. 3PSCh. 1 - Tangent Line Let P (3, 4) be a point on the circle...Ch. 1 - Tangent Line Let P(5,12) be a point on the circle...Ch. 1 - Finding Values Find the values of the constants a...Ch. 1 - Prob. 7PSCh. 1 - Making a Function Continuous Find all values of...Ch. 1 - Choosing Graphs Consider the graphs of the four...Ch. 1 - Prob. 10PSCh. 1 - Limits and Continuity Sketch the graph of the...Ch. 1 - Escape Velocity To escape Earth's gravitational...Ch. 1 - Pulse Function For positive numbers ab, the pulse...Ch. 1 - Proof Let a be a nonzero constant. 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- Exercises 121–140: (Refer to Examples 12–14.) Complete the following for the given f(x). (a) Find f(x + h). (b) Find the difference quotient of f and simplify. 121. f(x) = 3 122. f(x) = -5 123. f(x) = 2x + 1 124. f(x) = -3x + 4 %3D 125. f(x) = 4x + 3 126. f(x) = 5x – 6 127. f(x) = -6x² - x + 4 128. f(x) = x² + 4x 129. f(x) = 1 – x² 130. f(x) = 3x² 131. f(x) = 132. /(x) 3D글 = = 132. f(: 133. f(x) = 3x² + 1 134. f(x) = x² –- 2 135. f(x) = -x² + 2r 136. f(x) = -4xr² + 1 137. f(x) = 2x - x +1 138. f(x) = x² + 3x - 2 139. f(x) = x' 140. f(x) = 1 – xarrow_forwardUse Definition 0.10 to show that each pair of functions in Exercises 67–70 are inverses of each other. 1 2 67. f(x) =2 – 3x and g(x) = -x+ 3 68. f(x) = x² restricted to [0, 0) and g(x) = V 69. f(x) = and g(x) = 1+x 1-x 1 1 70. f(x) = and g(x) 2x 2xarrow_forwardExercises 111-114: Determine the domain and range of function f. Use interval notation. 111. f(x) = =(x + 1)² – 5 112. f(x) = 2(x – 5)² + 10 113. f(x) = V-x – 4 – 2 114. f(x) = -Vx – 1 + 3arrow_forward
- Each of Exercises 25–36 gives a formula for a function y = f(x). In each case, find f-x) and identify the domain and range of f-. As a check, show that f(fx)) = f-"f(x)) = x. 25. f(x) = x 26. f(x) = x, x20 %3D %3D 27. f(x) = x + 1 28. f(x) = (1/2)x – 7/2 30. f(x) = 1/r, x * 0 %3D 29. f(x) = 1/x, x>0 x + 3 31. f(x) 32. f(x) = VE - 3 34. f(x) = (2x + 1)/5 2 33. f(x) = x - 2r, xs1 (Hint: Complete the square.) * + b x - 2' 35. f(x) = b>-2 and constant 36. f(x) = x? 2bx, b> 0 and constant, xsbarrow_forwardI need help with these practice problemsarrow_forwardIn Exercises 11–18, graph each function by making a table of coordinates. If applicable, use a graphing utility to confirm your hand-drawn graph. 11. f(x) = 4" 13. g(x) = ()* 15. h(x) = (})* 17. f(x) = (0.6) 12. f(x) = 5" 14. g(x) = () 16. h(x) = (})* 18. f(x) = (0.8)* %3!arrow_forward
- Number 63arrow_forwardIn Exercises 139–142, determine whether each statement is true or false. If the statement is false, make the necessary change(s) to produce a true statement. log, 8 8 140. log(-100) = -2 139. log, 4 141. The domain of f(x) = log, x is (-0∞, ∞). 4 142. log, x is the exponent to which b must be raised to obtain x.arrow_forwardIn Exercises 65–70, use the graph of f to find each indicated function value. y = f(x) 65. f(-2) 66. f(2) -5 -4--2 2 4 5 67. f(4) 68. f(-4) 69. f(-3) 70. f(-1)arrow_forward
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