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squishy1193
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find the difference quotient of f that is find f(x+h)f(x)/h for f(x) =x^22x+4
 2 years ago
 2 years ago
squishy1193 Group Title
find the difference quotient of f that is find f(x+h)f(x)/h for f(x) =x^22x+4
 2 years ago
 2 years ago

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febylailani Group TitleBest ResponseYou've already chosen the best response.0
i think, it's not f(x+h)=f(x)/h but, f(x+h)f(x)/h
 2 years ago

squishy1193 Group TitleBest ResponseYou've already chosen the best response.0
yes im sorry i wrote that wrong it is f(x+h)f(x)/h
 2 years ago

NoelGreco Group TitleBest ResponseYou've already chosen the best response.0
What don't you get?
 2 years ago

campbell_st Group TitleBest ResponseYou've already chosen the best response.0
ok will substitute x + h for x thats what f(x + h) is asking you to do \[\frac{(x + h)^2 2(x +h) + 4  (x^2 2x + 4)}{h}\] the next step is to expand and then collect like terms... this will leave the numerator with terms involving h which will be able to cancel with the denominator
 2 years ago
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