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A Model Rocket Is Launched from a Raised Platform at a Speed

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A model rocket is launched from a raised platform at a speed of 112 feet per second. Its height in feet is given by h(t) =16t2+112t+20h ( t ) = - 16 t ^ { 2 } + 112 t + 20 (t = seconds after launch) What is the maximum height reached by the rocket?


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