<p>Oh come on, roller coasters are so obviously built upon functions that a thread on it is kind of pointless. I however will be reading the responses as a sort of Rorschach test. Hmmm, chin sex . . .</p>
<p>hey u guys, they do not look like roller coasters!! first of all, roller coasters have those loop thingies, and functions can’t have the same x for the same y, so they can’t pass the vertical line test, so they aren’t classified as functions, and…</p>