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 - Page 420: 20

Answer

one-to-one

Work Step by Step

Notice that every element of the domain (or every first element) is paired with only one element of the range. Also, every element of the range is also paired with only one element of the domain. This means that the given function is one-to-one.
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