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kenny97701
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for f(x)^2 compute and simplify the difference quotient f(x+h)f(x)/h. I ended up with f(x)=0. is this correct?
 2 years ago
 2 years ago
kenny97701 Group Title
for f(x)^2 compute and simplify the difference quotient f(x+h)f(x)/h. I ended up with f(x)=0. is this correct?
 2 years ago
 2 years ago

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sasogeek Group TitleBest ResponseYou've already chosen the best response.1
how did u arrive at f(x)=0 ?
 2 years ago

kenny97701 Group TitleBest ResponseYou've already chosen the best response.0
basically by canceling out the h and 5x^2
 2 years ago

Dockworker Group TitleBest ResponseYou've already chosen the best response.2
what is f(x)
 2 years ago

sasogeek Group TitleBest ResponseYou've already chosen the best response.1
did you mean f(x)=x^2 ? cos i don't see how you can start working that out if you haven't defined f(x) in the first place :/
 2 years ago

kenny97701 Group TitleBest ResponseYou've already chosen the best response.0
f(x)=5x^2
 2 years ago

Dockworker Group TitleBest ResponseYou've already chosen the best response.2
you have to substitute (x+h) for x in f(x+h), you're not going to end up with 0
 2 years ago

sasogeek Group TitleBest ResponseYou've already chosen the best response.1
ok so you'll do what Dockworker said and you'll end up with this. \[\huge \frac{5(x+h)^25x^2}{h} \]\[\huge \text{simplify that and I believe that'd be it :) } \]
 2 years ago

kenny97701 Group TitleBest ResponseYou've already chosen the best response.0
thats what i thought. thanks
 2 years ago

sasogeek Group TitleBest ResponseYou've already chosen the best response.1
anytime :)
 2 years ago
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