Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.3 Functions - 2.3 Exercises: 30

Answer

The relation does not define a function.

Work Step by Step

Note that a number of vertical lines (e.g., $x=0$ and $x=1$) will pass through the graph at two different points. This means that the graph fails the vertical line test. Thus, the given relation does not represent a function.
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