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Mathematics 20 Online
OpenStudy (anonymous):

how can i attach a file ? and post it

OpenStudy (unklerhaukus):

blue button down there || \ /

OpenStudy (anonymous):

ok thanks

OpenStudy (anonymous):

is this a function or not ?

OpenStudy (anonymous):

no, there are more than 1 y value for each integer of x.

OpenStudy (istim):

Yup. IT fails the Vertical Line Test.

OpenStudy (anonymous):

because it will intersect the vertical line in more that one point right ?

Directrix (directrix):

Yes.

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