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A technician can test video player chips at the rate of -3t^2+16t+5 chips per hour (for 0 is ≤ t ≤ 6 ), where t is the number of hours after 9:00 am. How many chips can be tested between 11:00 a.m. to 3:00 p.m.? (Assume T= 0 for 9:00 a.m.)
