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: 33

Answer

Inverse action: exit the room.

Work Step by Step

In loose terms, let f(being outside)=get inside (the room) We want the inverse to be defined on being inside (the room) g(being inside )=getting outside So, g(f (being outside)=being outside and f(g( being inside )= being inside [ f(g(x))=x and g(f(x))=x ] Inverse action: exit the room.
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