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Algebra 9 Online
OpenStudy (sokina2018):

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?

rishavraj (rishavraj):

u just need to plug x = 1.5

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