Evaluate the average worker performing at peak efficiency

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Question: Worker efficiency an efficiency study conducted for elektra electronics showed that the number of space com mander walkie-talkies assembled by the average worker t hr after starting work at 8 a.m. Is given by

N(t) = -t3 + 6t2 + 15t           (0 ≤ t ≤ 4)

At what time during the morning shift is the average worker performing at peak efficiency?

Reference no: EM131563254

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