College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter 4 - Section 4.1 - Inverse Functions - 4.1 Exercises - Page 395: 53


The function doesn't have an inverse.

Work Step by Step

Here, each x-value is paired with only one value, but not every y-value is paired with only one x-value. For example the y-value of -3 corresponds to the x-value of 1 and 4 too. Therefore this function is not one-to-one, so it doesn't have an inverse.
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