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Mathematics 18 Online
OpenStudy (impracticaljoker):

I'm almost positive it is. http://prntscr.com/cc7h73

OpenStudy (impracticaljoker):

@welshfella

OpenStudy (yumyum247):

its a periodic function...so yes!!

OpenStudy (welshfella):

It passes the vertical line test That is you can draw a vertical line anywhere on the graph and it only passes through the graph once.

OpenStudy (welshfella):

- so it is a function.

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