Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 4 - An Introduction to Functions - 4-6 Formalizing Relations and Functions - Practice and Problem-Solving Exercises - Page 271: 15

Answer

This is a function.

Work Step by Step

Wherever a vertical line is placed on the graph, it will not intersect the function multiple times. Thus, by the vertical line test, this is a function. Since the relation is a line with a numerical slope, it makes sense that it is a function.
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