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Mathematics 22 Online
OpenStudy (dylanc14):

Which relation is a function? A. (4, –1), (5, –1), (2, 3), (3, 2) B. (3, 2), (4, –1), (3, 8), (–1, 4) C. (–1, 4), (–2, 5), (–3, 6), (–2, 7) D. (2, 2), (3, 3), (2, 3), (3, 2)

OpenStudy (anonymous):

i know this !

OpenStudy (anonymous):

the answer is A

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