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Math Help??????????????????????????????????????????????

I'm having trouble with this question:

Find the first and second derivative of the function.

f(x) = x^4 − 5x^3 + 16x

Also I'm having trouble with this question:

Find the equation of the tangent line to the curve at the given point.

y = 7x − 6sqrt(x), (1, 1)

Thanks for your help.

1 Answer

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  • 8 years ago
    Favorite Answer

    f(x) = x^4 − 5x^3 + 16x

    f '(x) = 4x^3 - 15 x² +16

    f ''(x) = 12 x² - 30 x

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