Answer
Domain: {-2, -1, 1, 2}
Range: {0, 1, 2}
Not a function
Work Step by Step
$(2,1)$ and $(2,2)$ have the same domain yet map to different members of the range. The relation fails the vertical line test and is not a function.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 8 - Section 8.3 - Integrated Review - Linear Equationsin Two Variables and Functions - Page 599: 18
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