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 419: 5


$f(x_{1})$ cannot equal $f(x_{2})$.

Work Step by Step

The definition of a one to one function is a function that a horizontal line will intersect at no more than one point. Thus, in order for the function to be one to one, different inputs cannot share the same output.
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