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Mathematics, 26.06.2020 20:01 kemi6973

A ball is thrown directly upward from a height of 8 ft with an initial velocity of 20 ft/sec. The function s(t) = −16t²+20t+8 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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