Answer
set 1
Work Step by Step
In set 1 both x values are paired with the same y value of 5.
College Algebra (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-32178-228-3
ISBN 13:
978-0-32178-228-1
Chapter 1 - Equations and Inequalities - Exercise Set 1.7 - Page 199: 157
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