Answer
The relation is not a function.
Work Step by Step
The input $-1$ has three outputs $6,2$ and $5$.
The intput $1$ has two outputs $4$ and $6$.
Hence, the relation is not a function.
Big Ideas Math - Algebra 1, A Common Core Curriculum
by Larson, Ron; Boswell, Laurie
Published by
Big Ideas Learning LLC
ISBN 10:
978-1-60840-838-2
ISBN 13:
978-1-60840-838-2
Chapter 4 - Writing Linear Functions - 4.3 - Writing Equations of Parallel and Perpendicular Lines - Exercises - Page 192: 38
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