146. Proof Prove that if $f$ has an inverse function, then$$\left(f^{-1}\right)^{-1}=f$$

Intermediate Algebra
19th Edition
ISBN:9780998625720
Author:Lynn Marecek
Publisher:Lynn Marecek
Chapter10: Exponential And Logarithmic Functions
Section10.1: Finding Composite And Inverse Functions
Problem 64E: Explain how to find the inverse of a function from its equation. Use an example to demonstrate the...
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146. Proof Prove that if $f$ has an inverse function, then
$$
\left(f^{-1}\right)^{-1}=f
$$

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