Solve the problem.A coin is tossed upward from a balcony 250 ft high with an initial velocity of 48 ft/sec. During what interval of time will the coin be at a height of at least 90 ft? (h = -16t2 + vot + ho.)

A. 0 ? t ? 1
B. 5 ? t ? 10
C. 0 ? t ? 5
D. 4 ? t ? 5


Answer: C

Mathematics

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