Answer
not a one-to-one function
Work Step by Step
The horizontal line, $y=2$ will intersect the given graph in 3 points. By the Horizontal Line Test, the given graph is not a one-to-one function.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Test - Page 598: 8
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