Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Section 1.8 - Inverse Functions - Exercise Set - Page 271: 82


The given function has an inverse function. (refer to the step-by-step part for the explanation and graph)

Work Step by Step

Use a graphing utility to graph the given function. (refer to the attached image below for the graph. All horizontal lines pass through the graph at exactly one point only. This means that the graph passes the horizontal line test, therefore the given function has an inverse function.
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