Question: WORKER EFFICIENCY The average worker at Wakefield Avionics can assemble
N(t) = -2t3 + 12t2 + 2t (0 ≤ t ≤ 4)
Ready-to-fly radio-controlled model airplanes t hr into the 8 a.m. to 12 noon morning shift . At what time during this shift is the average worker performing at peak efficiency?