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 - Test - Page 174: 2


Not a function. Domain: $\{2,4,6\}.$ Range: $\{1,3,5,6\}.$

Work Step by Step

Not every $x$ value has a unique $y$ value ($x=6$ has $y=5$ and $y=6$), hence it is not a function. Domain: $\{2,4,6\}.$ Range: $\{1,3,5,6\}.$
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