Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.1 Inverse Functions - 4.1 Exercises - Page 418: 87



Work Step by Step

RECALL: (1) If $(a, b)$ is on the graph of $f(x)$, then $f(a) = b$. (2) If $f(a)=b$, then $f^{-1}(b)=a$ The given graph contains $(-2, -3)$ This means that $f(-2) = -3$. Thus, $f^{-1}(-3)=-2$.
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