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anonymous
 one year ago
A fastball is hit straight up over home plate. The ball's height, h (in feet), from the ground is modeled by h = 16t^2+80t+5 where t is measured in seconds.
A. What is the maximum height of the ball above the ground?
B. Write an equation to determine how long will it take for the ball to reach the ground. Solve the equation using the quadratic formula.
C. Write the equation you would need to determine when the ball is 101 feet above the ground.
D. Solve the equation you determined in part c algebraically to determine the time it will take for the ball to reach a height of 101 feet.
anonymous
 one year ago
A fastball is hit straight up over home plate. The ball's height, h (in feet), from the ground is modeled by h = 16t^2+80t+5 where t is measured in seconds. A. What is the maximum height of the ball above the ground? B. Write an equation to determine how long will it take for the ball to reach the ground. Solve the equation using the quadratic formula. C. Write the equation you would need to determine when the ball is 101 feet above the ground. D. Solve the equation you determined in part c algebraically to determine the time it will take for the ball to reach a height of 101 feet.

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