Question: Let f b e the function with derivative defined b y f ' ( x ) = x 2 - 4 x ( x -

Let fbe the function with derivative defined
byf'(x)=x2-4x(x-2)2.On which of the
following intervals is the graph off both
decreasing and concave up?
Indicate all such intervals.
(A)(-,0)
(B)(0,2)
(C)(2,4)
(D)(4,)
Let f b e the function with derivative defined b

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