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embizze eNotes educator| Certified Educator

Given `f(x)=7/(7x+6)` :

Rewrite as `f(x)=7(7x+6)^(-1)`

Using the power rule and the chain rule we get:

`f'(x)=-7(7x+6)^(-2)(7)=(-49)/((7x+6)^2)`

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