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A projectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t^2 + 576t. After how many seconds does the projectile take to reach its maximum height? Show your work for full credit.

 Sep 28, 2020
 #1
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For this quadratic equation, max will occur at t = - b/2a   where a = -16   and b = 576

 Sep 28, 2020

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