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Mathematics 9 Online
OpenStudy (anonymous):

how do you use the definition of the derivative to find f'(x)? f(x)=2(x^2) +x-1

OpenStudy (omnomnom):

try going to this website it should help : http://www.math.wvu.edu/~hjlai/Teaching/Tip-Pdf/Tip1-5.pdf Sorry if it doesnt help but its all that i could offer :)

OpenStudy (anonymous):

oh i solved it thanks tho

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