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Mathematics 20 Online
OpenStudy (darthvader2900):

Help me

OpenStudy (darthvader2900):

OpenStudy (astrophysics):

Use a vertical line test, if the line goes through more than one point from your points its not a function

OpenStudy (darthvader2900):

@Astrophysics Is it A?

OpenStudy (astrophysics):

|dw:1450312303679:dw| look the first line goes through two points so no

OpenStudy (darthvader2900):

My tutor said it was A. :/

OpenStudy (astrophysics):

He's wrong

OpenStudy (darthvader2900):

Ok, then C.

OpenStudy (astrophysics):

Right

OpenStudy (darthvader2900):

Thanks.

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