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    robcody's Avatar
    robcody Posts: 1, Reputation: 1
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    #1

    Aug 26, 2008, 05:59 PM
    Functions- what's this variable mean? ∆X
    Does f(2+∆X) have any special meaning? Or is it just a standard function substitution?
    Solaxys's Avatar
    Solaxys Posts: 11, Reputation: 2
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    #2

    Aug 26, 2008, 09:47 PM
    Umm
    delta x or *triangle*x means a change from one x to another.

    I think in that concept, I would say its f(x) that transformed 2 to the left on a co-ordinate graph.
    If you don't understand what I wrote above, then just treat it as a normal substitution, and you'll learn soon enough.
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