Answer
The relation is not a function.
Work Step by Step
The domain is $\{3,4,7\}$
The range is $\{3,4,7\}$
The domain value 4 is mapped to two range values. The relation is not a function.
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 8 - Polynomials and Factoring - 8-8 Factoring by Grouping - Practice and Problem-Solving Exercises - Page 533: 55
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