Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 1 - Mid-Chapter Check Point - Page 228: 9

Answer

All vertical lines will pass through the graph at a maximum of one point. This means that every x-value is paired with only one y-value. Thus, $f$ represents a function.

Work Step by Step

All vertical lines will pass through the graph at a maximum of one point. This means that every x-value is paired with only one y-value. Thus, $f$ represents a function.
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