Modeling the Flight of a Baseball

The Problem
A baseball is hit upward with an initial velocity of = 80 feet per second (or about 55 miles per hour) and leaves the bat with an initial height of = 3 feet.
a). Write a formula s(t) that models the height of the baseball after t seconds.
b). How high was the baseball after 2 seconds?
c). Find the maximum height of the baseball. Support your answer graphically.





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