Suppose that f(x)=x^[1/3](x+3)^[2/3]
(A) Find all critical values of f. If there are no critical values, enter None . If there are more than one, enter them separated by commas.
Critical value(s) =
(B) Use interval notation to indicate where f(x) is increasing.
(C) Use interval notation to indicate where f(x) is decreasing.
Decreasing:
(D) Find the x-coordinates of all local maxima and minima of f
(E) Use interval notation to indicate where f(x) is concave up and concave down.
(F) Find all inflection points of f.
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