Evaluate the function to answer the question. The height h, in feet, of a ball that is released 4 ft above the ground with an initial upward velocity of 90 ft/s is a function of the time t, in seconds, the ball is in the air and is given by the following. h(t)=16t² + 90t + 4,0 st≤ 5.66 (a) Find the height of the ball (in feet) above the ground 2 s after it is released. ft (b) Find the height of the ball (in feet) above the ground 4 s after it is released. ft

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