OpenStudy (anonymous):

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

2 years ago
OpenStudy (bibby):

factor out the -6, so we're left with \(\dfrac{d}{dx}\dfrac{-6}{x}=-6\dfrac{d}{dx}\dfrac{1}{x}\) then we can rewrite \(\dfrac{d}{dx}\dfrac{1}{x}\implies \dfrac{d}{dx}x^{-1}\) and use the power rule

2 years ago
OpenStudy (anonymous):

so once I have d/dx x^-1 what do I plug in @bibby

2 years ago
OpenStudy (bibby):

-1 is now your n|dw:1447778383254:dw|

2 years ago
OpenStudy (bibby):

|dw:1447778395463:dw|

2 years ago
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