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Let f(x) = 3x5 − 40x3 . (a) (2 pt) Find f'(x) and f"(x) (b) (2...

Let f(x) = 3x5 − 40x3 .

(a) (2 pt) Find f'(x) and f"(x)

(b) (2 pts) Solve for the intervals where the function is concave down and concave up.

(c) (2 pts) Find the absolute maximum and minimum, if they exist. Explain your reasoning

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