Chapter 8 - Section 8.2 - Introduction to Functions - Exercise Set - Page 583: 10

Domain = {-2, 0, $\pi$, 4} Range = {-2, 0, $\pi$, 4} This relation is a function

Work Step by Step

Domain = set of all the first elements of the ordered pairs Range = set of all the second elements of the ordered pairs None of the first elements appear more than once; thus, this relation is a function

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