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Mathematics
OpenStudy (anonymous):

Which relation does not represent a function? A. (-8, 4), (-3, 2), (1, 3), (5, -8) B. (2, 0), (4, 6), (7, 6), (8, 5) C. (-4, 6), (-1, 1), (0, 4), (4, 7) D. (1, 2), (2, 5), (5, 7), (1, 3) Is it D, because I know that domain can't repeat but can the domain be a 0? I can't remember...

OpenStudy (anonymous):

the one where there is a repeated first coodinate

OpenStudy (anonymous):

so yes, D is not a function

OpenStudy (anonymous):

So D, okay, thank you!!

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