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: 76


The function has no inverse. (refer to the step-by-step part below for the explanation and the graph)

Work Step by Step

Use a graphing utility to graph the function. (refer to the attached image below for the graph) A number of horizontal lines (such as ($y=0$) will pass through the graph at exactly two points. This means that the graph fails the horizontal line test, therefore the function has no inverse function.
Small 1506942881
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.