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OpenStudy (anonymous):
A group of engineering students construct a potato cannon. The height, h metres, of a potato t seconds after it is shot from the cannon that is on the roof of a building is modeled by the equation. h= -5(t-2)^2 + 45 a) how high is the potato after 1 s? b)when does the potato reach its maximum height? what is the height ? c) How long is the potato in the air?
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