Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Section 2.8 - One-to-One Functions and Their Inverses - 2.8 Exercises - Page 226: 26


a)$5$ b)$4$

Work Step by Step

The definition of an inverse is $f^{-1}(y)=x$ while $f(x)=y$, so x is the answer for a and y is the answer for a and y is the answer for b
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