Question: A projectile is fired vertically upward, and its height s(t) in feet after t seconds is given by the function s(t) = -16t 2 +

A projectile is fired vertically upward, and its height s(t) in feet after t seconds is given by the function s(t) = -16t2 + 800t + 600.

(a) From what height was the projectile fired?

(b) After how many seconds will it reach its maximum height?

(c) What is the maximum height it will reach?

(d) Between what two times (in seconds, to the nearest tenth) will it be more than 5000 ft above the ground?

(e) After how many seconds, to the nearest tenth, will the projectile hit the ground?

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