Answer
Not a function.
Domain: $\{13,15\}.$
Range: $\{14,16,17\}.$
Work Step by Step
Not every $x$ value has a unique $y$ value ($x=13$ has $y=14$ and $y=17$), hence it is not a function.
Domain: $\{13,15\}.$
Range: $\{14,16,17\}.$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 2 - Review Exercises - Page 172: 3
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