Answer
Function
Work Step by Step
Use the vertical line test. Any vertical line crosses the graph only once, and hence y is a function of x.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 2 - 2.3 - Analyzing Graphs of Functions - 2.3 Exercises - Page 194: 11
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