Answer
$f^{-1}(n)=250 n$
Work Step by Step
Solve for $A$
$$
\begin{aligned}
& n=\frac{A}{250}, \\
& A=250 n .
\end{aligned}
$$
Hence $f^{-1}(n)=250 n$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 2 - Functions - 2.5 Preview of Composite and Inverse Functions - Exercises and Problems for Section 2.5 - Exercises and Problems - Page 103: 35
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