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Mathematics 24 Online
OpenStudy (anonymous):

(-5,-5),(-3,-4),(1,-1)(2,3),(4,6) is this a function yes or no. Medal given if answered :)

OpenStudy (anonymous):

Yes, plot the points and use the vertical line test to verify.

OpenStudy (anonymous):

so yes its a function b/c the x value dont repect

OpenStudy (anonymous):

Right, if there is more than one x for any y the vertical line test fails and it is not a function

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