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Mathematics, 01.12.2021 21:30 wxvvyyyy

a ball is thrown directly upward from a height of 6ft with a initial velocity of 28ft/sec. the function s(t)=-16t^2+28t+6 gives the height of the ball, in feet, t seconds after it has been thrown. determine the time at which the ball reaches its maximum height and find the maximum height

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