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22 December, 12:14

A stone is launched off a building which is 95 feet high. Its height at time t is given by the function h (t) = 95 + 10t - 4t2 where time is measured in seconds and height is measured in feet. At what time does the stone reach its maximum height?

A) t = 1.25 seconds

B) t = 2.5 seconds

C) t = 5.0 seconds

D) t = 7.5 seconds

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Answers (2)
  1. 22 December, 12:42
    0
    t = 1.25 seconds

    Step-by-step explanation:

    usatestprep
  2. 22 December, 13:26
    0
    B

    Step-by-step explanation:

    B
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