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20 April, 13:37

Find the derivative of f (x) = negative 7 divided by x at x = - 3.

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  1. 20 April, 14:01
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    F (x) = - 7/x

    dy/dx = (-1*-7) / x^2

    dy/dx=7/x^2

    dy/dx (-3) = 7 / (-3) ^2

    dy/dx (-3) = 7/9
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