Algebra 2 (1st Edition)

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

Chapter 2 Linear Equations and Functions - 2.3 Graph Equations of Lines - 2.3 Exercises - Quiz for Lessons 2.1-2.3 - Page 96: 2



Work Step by Step

The relation is a function because to each input value there belongs at most $1$ output value. (The output values belonging to different inputs don't have to be unique.)
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