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Mathematics 20 Online
OpenStudy (anonymous):

Which of the following relations is not a function? A. (6, 4), (-3, 2), (3, 1), (-6, 2) B. (-6, 4), (3, 3), (-3, 1), (6, 2) C. (-3, 4), (3, 2), (6, 1), (-6, 5) D. (3, 4), (-3, 2), (3, 1), (-6, 2)

OpenStudy (anonymous):

D. is not a function because there are two 3's as x values.

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