College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 4 - Section 4.1 - Inverse Functions - 4.1 Exercises: 85

Answer

$f^{-1}(0)=2$

Work Step by Step

The inverse of a function differs from the original function in that all the x-coordinates and y-coordinates have been switched. To find the value of $f^{-1}(2)$, we have to find the corresponding x-coordinate to $y=0$ in the original $f(x)$ function.. We can see the graph of $f(x)$ contains $(2, 0)$. Thus, when $y=0$, $x=2$. Therefore $f^{-1}(0)=2$.
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