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f(x) = 7xex (a) Find the intervals on which f is increasing or decreasing. (Enter your...

f(x) = 7xex

(a) Find the intervals on which f is increasing or decreasing. (Enter your answers using interval notation.)


(b) Find the local maximum and minimum values of f. (If an answer does not exist, enter DNE.)


(c) Find the intervals of concavity and the inflection points. (Enter your answers using interval notation.)

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