Answer
$y' = 6s-2$
Work Step by Step
$y=\frac{12s^3-8s^2+12s}{4s}=3s^2-2s+3$
Using Power Rule:
$y'=3(2)s^{2-1}-2(1)s^{1-1}+3(0)s^{0-1} = 6s-2$
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