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 269: 31


function has no inverse

Work Step by Step

Note that some horizontal lines (such as $y=0$) will pass through the graph at more than one point. This means that the graph does not pass the horizontal line test, therefore the function represented by the graph does not have an inverse.
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