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S 2. For the function f(x) = x2e-x (a) Find f' (x). (b) Determine all the critical numbers of f. (c) Find the intervals of

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S 2. For the function f(x) = x2e-x (a) Find f' (x). (b) Determine all the critical numbers of f. (c) Find the intervals of increase and decrease. (d) Classify each critical number as relative maximum or minimum. (e) Find f"(x). (f) Find the intervals where the graph of f is concave up and concave down

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