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OpenStudy (anonymous):
f(x) =(2 x + 2)/(5 x + 7) f'(3) i get 2/11 as my answer but it says its incorrect?
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OpenStudy (anonymous):
what did you get for the derivative?
OpenStudy (anonymous):
i think your mistake must be there
OpenStudy (anonymous):
4/(5x+7)
OpenStudy (anonymous):
((5x+7)(2)-(2x+2)(5))/(5x+7)
OpenStudy (anonymous):
i forgot to square the bottom facepalm/
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OpenStudy (anonymous):
yeah think so also the numerator is \(4\)
OpenStudy (anonymous):
ah there we go thanks
OpenStudy (anonymous):
4/484
OpenStudy (anonymous):
|dw:1381115326792:dw|
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