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Mathematics 21 Online
OpenStudy (anonymous):

is every relation always a function? is every function always a relation?

OpenStudy (anonymous):

No, yes.

OpenStudy (anonymous):

do you know why?

OpenStudy (anonymous):

Yes, but I don't really care...:-)

OpenStudy (anonymous):

look at this page 4 help and explanations http://www.purplemath.com/modules/fcns.htm

OpenStudy (anonymous):

I'm telling u, u really don't want to know. (nor will u ever need to in the future).

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