Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 2 Linear Equations and Functions - 2.1 Represent Relations and Functions - 2.1 Exercises - Skill Practice - Page 77: 23

Answer

Not a function

Work Step by Step

The vertical line test states that if a relation is a function, no vertical line can pass through the graph of the relation twice. Using this test, we observe that it is not a function. After all, a vertical line at x=0 would pass through the relation drawn twice.
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