Posted by **Anonymous** on Thursday, November 18, 2010 at 8:04pm.

7. The Sandusky Little League uses a baseball throwing machine to help train 10-year old players to catch high pop-ups. It throws the baseball straight up with an initial velocity of 48 ft/sec from a height of 3.5 ft.

a. Find an equation that models the height of the ball t seconds after it is thrown.

b. What is the maximum height the baseball will reach? How many seconds will it take to reach that height?

8. Find the zeros of the function algebraically. f(x) = x2 + 2x – 8

9. Find the zeros of the function algebraically. f(x) = x2 + 2x + 8

10. Find the zeros of the function algebraically. f(x) = 2x2 – 10x + 3

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