College Algebra 7th Edition

by Stewart, James; Redlin, Lothar; Watson, Saleem

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: 6

Answer

f is not one to one

Work Step by Step

Using the horizontal line test, the line passes through multiple points when y = 1. Because it fails the horizontal line test, f is not one to one

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