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Math Help - Calculus: Differentiation

  1. #1
    Newbie Mscscgrad2011's Avatar
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    Question Calculus: Differentiation

    1. State the definition of the derivative, and give two interpretations of it.
    2. Find the values of x at which the curve y= f(x) has a horizontal tangent.
    If you can help me, I would gradually appreciate it
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  2. #2
    Junior Member
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    1) Google it. Think about the definition.

    2) This question makes no sense. You get a horizontal tangent when \frac{dy}{dx}=0. To work it out the function y=f(x) has to be known (I think).
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  3. #3
    Newbie Mscscgrad2011's Avatar
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    I did find the first one but I am still lose on the second
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  4. #4
    Junior Member
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    There is some information missing.

    The curve f(x) has horizontal tangent when its derivative is zero.
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