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    Slope of a tangent line and derivative

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    Find the slope and the equation of the tangent line to the graph of the function at the given value of x.

    f(x) = x^4 - 5x^2 + 4
    x = -2

    The slope of the tangent line = ?

    The equation of the tangent line is y= ?

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    https://brainmass.com/math/derivatives/slope-of-a-tangent-line-and-derivative-316839

    Solution Preview

    first find the derivative of the function
    f'(x) = 4x^3 - 5*2x + 0 = 4x^3 - 10x

    the slope of the tangent line is equal to the ...

    Solution Summary

    The slope shows how to calculate the equation of the tangent line in detail.

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