College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 2, Functions - Section 2.8 - One-to-One Functions and their Inverses - 2.8 Exercises - Page 262: 9

Answer

f is one to one

Work Step by Step

Using the horizontal line test, wherever you draw a horizontal line it does not pass through more than one point. Because it passes the test, f is one to one
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