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17 November, 17:02

A boy throws a baseball across a field. The ball reaches its maximum height, 18 meters, after 1 second. After approximately 2.3 seconds, the ball lands on the ground. The ball's motion can be modeled using the function f (x) = - 10x2 + 20x + 8. What is the height of the ball 1.5 seconds after it is thrown?

11.7 meters

13.8 meters

15.5 meters

17.5 meters

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Answers (1)
  1. 17 November, 20:53
    0
    I did the math and it added up to * drum roll * ... 15.5
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