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Math Help - Instantaneous Rate of Change

  1. #1
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    Instantaneous Rate of Change

    If the instantaneous rate of change of f(x) with respect to x is positive when x=1, how can we tell if f is increasing or decreasing at that point?
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  2. #2
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    Just look at the wording. The RATE OF CHANGE is positive, which tells us what about the function. Well if it's changing positively then it must be increasing.
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