Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 2 - Functions and Their Graphs - 2.1 Functions - 2.1 Assess Your Understanding - Page 57: 24

Answer

The relation is a function Domain: {$–2, –1, 3, 4$} Range: {$3, 5, 7, 12$}

Work Step by Step

The relation is a function because each element in the domain corresponds to exactly one element in the range. Domain: {$–2, –1, 3, 4$} Range: {$3, 5, 7, 12$}
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