Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 4 - An Introduction to Functions - 4-6 Formalizing Relations and Functions - Lesson Check - Page 271: 6

Answer

This is a matter of personal preference.

Work Step by Step

Of course, there are many answers to this question as it is a matter of opinion. With that being said, generally, it is agreed that the vertical line test is better for functions that you are given a graph of, while mapping diagrams are better when a graph is not provided.
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