Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 2 - Section 2.5 - Introduction to Relations and Functions - 2.5 Exercises: 4


The relation $\{(0,-2),(2,-1),(2,-4),(5,3) \}$ $does \text{ } not$ define a function. The set $\{0,2,5\}$ is its $\underline{\text{ domain }},$ and the set $\{-2,-1,-4,3\}$ is its $\underline{\text{ range }}.$

Work Step by Step

The given relation is not a function because the first component, $2,$ is not unique. The set of first components is the domain. The set of second components is the range.
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