Caleb hits a baseball. After t seconds, its height h, in metres, is h = -5...

 

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Caleb hits a baseball. After t seconds, its height h, in metres, is h = -5 + 20t+ 0.8 a. How high off the ground is the ball when it is hit? b. What is the height of the ball after 2 seconds? c. Use the method of completing the square to find the maximum height of the ball. d. How long did it take for it to hit the ground? Caleb hits a baseball. After t seconds, its height h, in metres, is h = -5 + 20t+ 0.8 a. How high off the ground is the ball when it is hit? b. What is the height of the ball after 2 seconds? c. Use the method of completing the square to find the maximum height of the ball. d. How long did it take for it to hit the ground?

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