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March 29, 2015

March 29, 2015

Posted by **Rebekah** on Tuesday, May 7, 2013 at 7:01am.

a) Find parametric equations that model the motion of the ball as a function of time.

b) How long is the ball in the air?

c) When is the ball at its maximum height? Determine the maximum height of the ball.

Thanks

- Pre Calc -
**Steve**, Tuesday, May 7, 2013 at 9:52amx(t) = 0

y(t) = 5 + 40t - 16t^2

Now just solve for t when y=0

Find the vertex of the parabola.

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