2 4 3x 63. f(x) 64. f(x) 65. f(x) 3 + x 2 - x x + 2 2x 2x Зх + 1 66. f(x) : 67. f(x) 68. f(x) = - 1 Зх — 1 Зх + 4 2х — 3 2х — 3 2х + 3 69. f(x) 70. f(x) 71. f(x) x + 4 x + 2 72. f(x) : — Зх — 4 73. f(x) 4 x > 0 74. f(x) x² + 3 x > 0 х — 2 2r2 3x2

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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In Problems 63–74, the function f is one-to-one. (a) Find its inverse function   f -1 and check your answer. (b) Find the domain and the range of f and f -1.

2
4
3x
63. f(x)
64. f(x)
65. f(x)
3 + x
2 - x
x + 2
2x
2x
Зх + 1
66. f(x) :
67. f(x)
68. f(x)
= -
1
Зх — 1
Зх + 4
2х — 3
2х — 3
2х + 3
69. f(x)
70. f(x)
71. f(x)
x + 4
x + 2
72. f(x) :
— Зх — 4
73. f(x)
4
x > 0
74. f(x)
x² + 3
x > 0
х — 2
2r2
3x2
Transcribed Image Text:2 4 3x 63. f(x) 64. f(x) 65. f(x) 3 + x 2 - x x + 2 2x 2x Зх + 1 66. f(x) : 67. f(x) 68. f(x) = - 1 Зх — 1 Зх + 4 2х — 3 2х — 3 2х + 3 69. f(x) 70. f(x) 71. f(x) x + 4 x + 2 72. f(x) : — Зх — 4 73. f(x) 4 x > 0 74. f(x) x² + 3 x > 0 х — 2 2r2 3x2
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