Algebra 2 Common Core

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: 3

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.
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