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: 35

Answer

Inverse action: unscrew the bulb.

Work Step by Step

In loose terms, let f( unscrewed bulb )= screwed bulb We want the inverse to be defined on screwed bulbs g( screwed bulb )= unscrewed bulb So, g(f ( unscrewed bulb )= unscrewed bulb and f(g( screwed bulb )= screwed bulb [ f(g(x))=x and g(f(x))=x ] Inverse action: unscrew the bulb
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