Answer
$f^{-1}(100)$ represents number of dollars required for $1000$ cars.
Work Step by Step
$f^{-1}(1000)$ is inverse of $f(x)$ and represents number of dollars required for $1000$ cars.
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter 4 - Section 4.1 - Inverse Functions - 4.1 Exercises - Page 397: 89
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