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Mathematics, 05.11.2019 06:31 kat5377

The distance s (in feet) covered by a car t sec after starting is given by the following function. s = −t3 + 11t2 + 20t (0 ≤ t ≤ 6) find a general expression for the car's acceleration at any time t (0 ≤ t ≤ 6). s ''(t) = correct: your answer is correct. at what time t does the car begin to decelerate? (round your answer to one decimal place.) t = sec

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