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the derivative of 4x^2 - 2x I need to know how to solve this using the derivative as a function... a.k.a. f(x+h)−f(x)/h
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by the definition you mean...
yes
easy, just expand the (x+h) parts
yes, but do i just treat (x + h) as x?
top will be 4(x+h)^2-2(x+h)-(4x^2-2x) all over h do the algebra, then the limit will give the answer
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ok, that was what i needed thanks
welcome :)
\[\lim_{h \rightarrow 0} {[4(x+h)^{2}-2(x+h)-(4x ^{2}-2x)] \over h }\]
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