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Averagejoe122
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Stuck on this question.
Consider the function h(x) for which h(5)=9 and h'(5)=7. Find f'(5) for the function f(x)=h(x)/x.
 2 years ago
 2 years ago
Averagejoe122 Group Title
Stuck on this question. Consider the function h(x) for which h(5)=9 and h'(5)=7. Find f'(5) for the function f(x)=h(x)/x.
 2 years ago
 2 years ago

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satellite73 Group TitleBest ResponseYou've already chosen the best response.2
\[f(x)=\frac{h(x)}{x}\] \[f'(x)=\frac{xh'(x)h(x)}{x^2}\] plug in 5 and see what you get
 2 years ago

Averagejoe122 Group TitleBest ResponseYou've already chosen the best response.0
I got 3.2 but it says it is wrong did I plug in wrong?
 2 years ago

PhoenixFire Group TitleBest ResponseYou've already chosen the best response.1
\[f^{\prime}(5)={5h^{\prime}(5)h(5) \over 5^2}={{(5)(7)(9)} \over 25}={35+9 \over 25}={44 \over 25}=1.76\]
 2 years ago

Averagejoe122 Group TitleBest ResponseYou've already chosen the best response.0
ahhh I see what I did wrong ty!
 2 years ago
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