Answer
No.
Work Step by Step
No. The given relation does not represent a function because for $x=3$, there are two $y-$values.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 3 - Polynomial and Rational Functions - Cumulative Review - Page 270: 7
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