College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 6 - Section 6.2 - One-to-One Functions; Inverse Functions - 6.2 Assess Your Understanding: 1

Answer

It is a function.

Work Step by Step

In order for something to be a function, every input must have exactly one output. (While different inputs may have the same output, one input cannot have two outputs.) Because every input has no more than one output, the given pairs represent a function.
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