Example 2: A volleyball is served into the air at 30 ft/sec from a height of 4 ft. The quadratic equation h = -16t² + 30t + 4 represents the height in feet over time in seconds. How long will it take for the ball to hit the floor of the court?
A graph showing a parabolic trajectory of a volleyball, with the equation h = -16t² + 30t + 4, illustrating height over time in seconds.
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