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Mathematics 20 Online
OpenStudy (anonymous):

Is this graph a fucntion?

OpenStudy (anonymous):

OpenStudy (mathstudent55):

Are yuou familiar with the vertical line test?

OpenStudy (anonymous):

No. Because when we draw a vertical line passing par 2, it will cut the graph in more than one point !

OpenStudy (anonymous):

yes i just looked it up and it failed so it's not!!

OpenStudy (mathstudent55):

correct

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