A ball is thrown upward at an initial velocity of 8.4m/s. The height of the ball h, in meters, above the ground after t, in seconds is modeled by h = −4.9t2 + 19.6t + 0.4. At what time(s) does the firework reach its maximum?
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A ball is thrown upward at an initial velocity of 8.4m/s. The height of the ball h, in meters, above the ground after t, in seconds is modeled by h = −4.9t2 + 19.6t + 0.4. At what time(s) does the firework reach its maximum?
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