Find the derivative of f 0f x.

f(x) = x^2 - 8x - 17 at x = 4

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  1. First you try it
    Use the general idea that
    d/dx x^n = n x^(n-1)

    for example

    d/dx x^16 = 16 x^15

    to evaluate that at x = 1
    16 1^15 = 16

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  2. WHAT?

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  3. I am trying to say try to do it yourself first. That is the rule for differentiating powers of x.

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