Answer
Not a function
Work Step by Step
The input 1 has two different outputs, so the relation is not a function.
The domain is all of the x coordinates: $-1,1,3$
The range is all of the y coordinates: $-7,-5,2,4$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 2 Linear Equations and Functions - Chapter Review - Page 141: 6
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