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Mathematics 14 Online
OpenStudy (anonymous):

Which of the following represents a function?

OpenStudy (anonymous):

OpenStudy (anonymous):

Graph it out, don't be lazy.

OpenStudy (anonymous):

Once you graph it out use the vertical line test, if no vertical line contains more than one of its point then it's a function.

OpenStudy (anonymous):

Meaning the line can only intersect the y - axis once.

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