Intermediate Algebra (12th Edition)

by Lial, Margaret L.; Hornsby, John; McGinnis, Terry

Published by Pearson

ISBN 10: 0321969359

ISBN 13: 978-0-32196-935-4

Chapter 9 - Review Exercises - Page 636: 1

Answer

NOT a one-to-one function

Work Step by Step

The horizontal line $y=1$, for example, will intersect the given graph at $2$ points. Since the the given graph fails the Horizontal Line Test, then the given graph is NOT a one-to-one function.

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