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Using calculus, it can be shown that if a ball is thrown upward with an initial...

Using calculus, it can be shown that if a ball is thrown upward with an initial velocity of 32 ft/s from the top of a building 594 ft high, then its height h above the ground t seconds later will be h = 594 + 32t − 16t2. During what time interval (in seconds) will the ball be at least 34 ft above the ground? (Enter your answer using interval notation.)

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