Answer
$f^{-1}(x)=\frac{2x-9}{4}$
Work Step by Step
$f(x)=\frac{4x+9}{2} \longrightarrow y=\frac{4x+9}{2} \longrightarrow x=\frac{4y+9}{2} \longrightarrow y=\frac{2x-9}{4} \longrightarrow f^{-1}(x)=\frac{2x-9}{4}$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 6 - Trigonometric Functions - 6.6 Phase Shift; Sinusoidal Curve Fitting - 6.6 Assess Your Understanding - Page 430: 41
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