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Mathematics 9 Online
OpenStudy (anonymous):

Explain why the vertical line test is used to determine if a graph represents a function.

OpenStudy (anonymous):

Oh I know...for any x you will have only one y

OpenStudy (anonymous):

So if you have two values for x such as y=1 and y=2 it is not a function

OpenStudy (anonymous):

|dw:1342017536238:dw|

OpenStudy (anonymous):

fails here one \(x\) but two \(y\)'s |dw:1342017495684:dw|

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