Answer
$f^{-1}(x)=\frac{2x-9}{4}$.
Work Step by Step
$f(x)=\frac{4x+9}{2}$,
$y=\frac{4x+9}{2}$,
$x=\frac{4y+9}{2}$,
$y=\frac{2x-9}{4}$,
$f^{-1}(x)=\frac{2x-9}{4}$.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 5 - Trigonometric Functions - Section 5.6 Phase Shift; Sinusoidal Curve Fitting - 5.6 Assess Your Understanding - Page 454: 41
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