Barney25 Barney25

22-05-2017
Mathematics

contestada

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?

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Luv2Teach Luv2Teach

03-06-2017

Just use your equation and sub in 1.5 for x (thee time) to find y (the height at that time). You get a height of 15.5 when the time is 1.5 seconds

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jameswconnell3rd jameswconnell3rd

13-05-2020

Answer: C: 15.5

Step-by-step explanation:

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