Answer
No because there are multiple $y$'s for an $x$ (which is 2).
Work Step by Step
A function has only one $y$ for every $x$. This relation has two $y$'s for 2.
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 2 - Functions, Equations, and Graphs - 2-1 Relations and Functions - Lesson Check - Page 64: 3
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