Question: [10 marks] (4 marks) (6 marks) 1. If a ball is thrown vertically upward with a velocity of 80 ft/s, then the height after

[10 marks] (4 marks) (6 marks) 1. If a ball is thrown

[10 marks] (4 marks) (6 marks) 1. If a ball is thrown vertically upward with a velocity of 80 ft/s, then the height after t seconds is 80t - 16t. a. What is the maximum height reached by the ball? b. What is the velocity of the ball when it is 96 ft above the ground on its way up? On its way down?

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