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Mathematics 8 Online
OpenStudy (anonymous):

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

OpenStudy (danjs):

Same as the last 3 or 4 of em i explained to you.

OpenStudy (anonymous):

A function's domain can never repeat. If it doesn't repeat, it's a function.

OpenStudy (danjs):

Which one has a single x value in (x,y) goint go multiple Y values

OpenStudy (danjs):

B is correct, any more and why?

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