College Algebra (10th Edition)

by Sullivan, Michael

Published by Pearson

ISBN 10: 0321979478

ISBN 13: 978-0-32197-947-6

Chapter 4 - Section 4.2 - Building Linear Models from Data - 4.2 Assess Your Understanding - Page 287: 1

Answer

Not a function.

Work Step by Step

A relation is a function if for every $x$, there is at most $1$ corresponding $y$ value. Here for $x=1$, there is $y=5$ and $y=12$, thus it is not a function.

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