Find the derivative of f(x) = negative 6/ x at x = 12.

asked Apr 10, 2018 20.7k views

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by Tak

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if f(x)=1/x=x^(-1) then f'(x)=(-1)*x^(-2)=-1/x^2
f(x)=-6/x
f'(x)=6/x^2
f'(12)=6/12*12=1/24

Vianney answered Apr 15, 2018

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