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OpenStudy (anonymous):
how do you find the derivative of (4)/(7x) so that it may equals (-4)/(7x^2). please show calc involved
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OpenStudy (radar):
\[(4/7)x ^{-1}\] Now it is simple to use the power rule. getting -1(4/7)x^-2. This then becomes\[-4\over7x ^{2}\]
OpenStudy (anonymous):
don't you just plug it in to f(x)=lim f(x+h)-f(x)/h?
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