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
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: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.8: Linear And Quadratic Functions
Problem 4ST
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Question
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.
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