Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 2 - Review Exercises - Page 172: 3


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: $\{14,16,17\}.$
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