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Mathematics 21 Online
OpenStudy (anonymous):

Is this a function?

OpenStudy (anonymous):

OpenStudy (jdoe0001):

obviously not :P

OpenStudy (anonymous):

@jdoe0001 What do you mean?

OpenStudy (jdoe0001):

ahemmm you hadn't posted anything then =)

OpenStudy (jdoe0001):

graph it and run the vertical line test on it if it passes the vertical line test, it's otherwise, is not

OpenStudy (anonymous):

Thank you. :)

OpenStudy (anonymous):

@jdoe0001 How do you graph a plus or minus sign?

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