Mathematics, 22.10.2020 01:01 eysahvdtuj

A ball is thrown directly upward from a height of 4 ft with an initial velocity of 28 ft/sec. The function s(t) = - 16t^2 +28t+4 gives the height of the ball, in feet, 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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A ball is thrown directly upward from a height of 4 ft with an initial velocity of 28 ft/sec. The fu...