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Mathematics 17 Online
OpenStudy (anonymous):

At the start of the basketball game, the referee tosses a ball for a jump ball. The equation that models the height of the ball is h(t) = -16t2 + 24t + 5 During what time interval is the height of the ball above 9 feet? (Round your answer to the nearest tenth of a second.) a) .2 seconds to 1.3 seconds b) .5 seconds to 2.1 seconds c) .4 seconds to 1.9 seconds d) .6 seconds to 1.8 seconds

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