Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 12 - Section 12.2 - Inverse Functions - Exercise Set - Page 850: 1


It is not a one-to-one function.

Work Step by Step

If we take a look at all the outputs, we notice that 7 is repeated twice. That means it can’t be a one-to-one function because every input has to obtain different outputs.
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