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Mathematics, 29.05.2021 03:20 Sumysumy
2. The equation h=-5t? + 20t + 1 models the height, h metres, of a
baseball as a function of time, t seconds, since it was hit. The ball
hit the ground before a fielder could catch it
(a) How long was the baseball in the air, to the nearest tenth of
a second? (2 decimal places)
(b) For how many seconds was the height of the ball at least
16m? (2 decimal places)
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Answers: 2
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2. The equation h=-5t? + 20t + 1 models the height, h metres, of a
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