Find the local maximum and minimum values of ##f## using both the First and Second Derivative Tests? ##f(x) = x / (x^2 + 25)##

Find the local maximum and minimum values of ##f## using both the First and Second Derivative Tests? ##f(x) = x / (x^2 + 25)##

f(5)=1/10## is a local max. ## f(-5)=-1/10## is a local min.

f(x)={x}/{x^2+25}

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