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Mathematics 7 Online
OpenStudy (anonymous):

what's a function

OpenStudy (zzr0ck3r):

a function is a relation between two sets A and B s.t. for every a in A f(a) is in B and for all x,y in A, if x=y then f(x) = f(y)

OpenStudy (anonymous):

A function is related to input and output.

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