Question

Which relation is not a function? A. {(2, 3), (4, 5), (10, 12), (15, 16) B. {(-5, 20), (6, 13), (8,20),(11,8) C. {(0, 8), (0, -4), (7, 4), (12, 1) D. {(4, 1/4), (9, 1/9), (17, 1/7), (18, 1/8)

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Answer 1

C. {(0, 8), (0, -4), (7, 4), (12, 1)

Explanation:

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