Michelle and Maggie are at baseball practice. Michelle throws a ball into the air and when it drops to a height of 4ft., she hits the ball.
Maggie is throwing a ball into the air and catching it. The height of Maggie’s ball is modeled by the function h(t) = –16t^2 + 48t + 15.

Question

Michelle and Maggie are at baseball practice. Michelle throws a ball into the air and when it drops to a height of 4ft., she hits the ball. 
Maggie is throwing a ball into the air and catching it. The height of Maggie’s ball is modeled by the function h(t) =  –16t^2 + 48t + 15.

anonymous · Answer

Which ball goes higher in the air, the ball that is hit or the ball that is thrown? show all work to explain how you determined the height that each ball reaches. 

B. If both girls are the same height, determine which girl is standing on a raised platform. Use complete sentences to explain how you determine which girl is on the platform and then determine the height of the platform.

C. Which ball is traveling at a faster average rate of change on the way up? Use complete sentences to explain how you determined the interval at which the height of the ball is increasing and the average rate of  change.

whpalmer4 · Answer

Do we get the function modeling the height of Michelle's ball?

anonymous · Answer

attachment

whpalmer4 · Answer

the graph represents the height of the ball when Michelle throws it?  it says she hits it when it drops to a height of 4 ft, but that graph never drops to 4 ft, it rises to 4 ft and no higher...and what's that point marked off the curve?