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Mathematics 21 Online
OpenStudy (anonymous):

Example: (3,1); (4,2); (5,1) is a function (1,2); (3,5), (1,7) is a non-function I need one set that is a function and one that is not

OpenStudy (jdoe0001):

how come the second one there is not a function anyway?

OpenStudy (anonymous):

huh?

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