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Mathematics 11 Online
OpenStudy (anonymous):

Which of the following relations is a function? A. (3, 4), (-4, 6), (3, 3), (-7, 2) B. (3, 0), (-4, 3), (6, 1), (-4, 5) C. (6, 1), (-4, 4), (3, 1), (6, 2) D. (3, 4), (-4, 2), (6, 1), (-7, 2)

OpenStudy (anonymous):

D because there are no repeated x values.

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