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Mathematics, 03.07.2019 02:00 sswd

The height, in feet, of a t-shirt launched from a t-shirt cannon high in the stands at a football stadium is given by h(x)=-16x^2+64x+80, where x is the time in seconds after the t-shirt is launched. what is the maximum height of the t-shirt and how many seconds does it take to reach the maximum height?

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The height, in feet, of a t-shirt launched from a t-shirt cannon high in the stands at a football st...

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