Answer
The domain is: $\{0,1,4\}$
The range is: $\{-2,-1,0,1,2\}$
The domain values 1 and 4 are mapped to two range values. The relation is not a function.
Work Step by Step
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Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 4 - An Introduction to Functions - 4-6 Formalizing Relations and Functions - Practice and Problem-Solving Exercises - Page 271: 11
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