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Mathematics 7 Online
OpenStudy (anonymous):

Which of the following is NOT a function? A. (1,4), (3,5), (4,8), (6,9) B. (2,4), (2,5), (3,8), (3,9) C. (1,6), (2,6), (3,6), (4,6) D. (12,48), (13,55), (14,88), (19,135)

OpenStudy (e.mccormick):

A function maps an x to one and only one y. So if any x value has more than one possible y value, it is not a function.

OpenStudy (anonymous):

so which one is it

OpenStudy (e.mccormick):

Well, which one has the x values repeated for different y values?

OpenStudy (anonymous):

is it b

OpenStudy (superhelp101):

yup

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