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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