25 points each to the first two people to post here with an explanation of a function. (I think two answers is safer than just one, 0_o.) My text book says, "A function is a relation where for every x coordinate there is exactly one y coordinate. However, y coordinates can have more than one x coordinate. A special type of function where there is only one x for every y and only one y for every x is called a one to one function."
Er... what? It sounds like something they'd say on star trek while they're running around trying to eject the warp core before it explodes.
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