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Mathematics 17 Online
OpenStudy (anonymous):

A soccer player kicks a ball. The height of the ball, h(t) in feet, t seconds after it is kicked is given by h(t)=-16t^2+45t+5. What is the height of the ball after 2 seconds? When is the ball at a height of 16 feet?

OpenStudy (anonymous):

1. t = 2 ; plug into given equation and solve 2. set equation to = 16; solve for t

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