A person standing close to the edge on top of a 28-foot building throws a ball vertically upward. The quadratic function h(t) = – 16t2 + 108t + 28 models the ball's height about the ground, h(t), in feet, t |- seconds after it was thrown. a) What is the maximum height of the ball? feet b) How many seconds does it take until the ball hits the ground? seconds Question Help: DVideo Submit Question

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