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OpenStudy (anonymous):
(HELP PLEASE) For f(x)=-2x^2+3x+1, find f(2+h)-f(2)/h. Simplify completely. (do I plug in F(x) into the fraction or is it the other way around?)
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OpenStudy (shamim):
f(x)=-2x^2+3x+1 f(2)=?
OpenStudy (coconutjj):
is f(2)/h or [f(2+h) - f(2)]/h
OpenStudy (usukidoll):
definition of the derivative
OpenStudy (usukidoll):
yeah you're supposed to plug it in to the fraction... you know you have done it correctly if all of the h's cancel
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