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Mathematics 22 Online
OpenStudy (anonymous):

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OpenStudy (anonymous):

Each x element can only have 1 y element

OpenStudy (yanasidlinskiy):

I believe this is wrong too.

OpenStudy (anonymous):

I'm saying if you have ((2,3),(2,4)} - not a function but you can have ((2,1),(1,1)} see how you can repeat y's

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