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: 32

Answer

Inverse action: turn the start key off.

Work Step by Step

In loose terms, let f(unstarted car)=started car We want the inverse to be defined on started cars, g(started car)=unstarted car So, g(f ( unstarted car )=unstarted car and f(g( started car )=started car. [ f(g(x))=x and g(f(x))=x ] Inverse action: turn the start key off.
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