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Mathematics 7 Online
OpenStudy (anonymous):

finding the relative extrema 6x+lnx

OpenStudy (anonymous):

take the derivative set it equal to zero solve for\(x\)

OpenStudy (anonymous):

would it be 1/2(6x) or 1/2(6)

OpenStudy (anonymous):

because Lnx = 1/x

OpenStudy (anonymous):

\[y=6x+\ln(x)\\ y'=6+\frac{1}{x}\\ y'=\frac{6x+1}{x}\]

OpenStudy (anonymous):

now set it = to 0 ?

OpenStudy (anonymous):

x=-1/6

OpenStudy (anonymous):

yes

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