Suppose the first and second derivatives of f(x) are: f' (x) =4x(x^2 ? 9) f''(x) = 12(x^2 ? 3).
(a) On what interval(s) is f(x) increasing and decreasing?
(b) On what interval(s) is f(x) concave up and concave down?
(c) Where does f(x) have relative maxima? Minima? Inflectionpoints?
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