A ball is thrown upward with an initial velocity of 96 ft s, from the top of a 100 ft wall.

QUESTION

Fall 2015

1. A ball is thrown upward
with an initial velocity of 96 ft s, from the top of a 100 ft wall.
(a) [3pts] Write a function to model the height of the ball, S(t),
where t is the number of seconds after the ball is thrown.
(b) [2pts] Use the model
found in part (a) to explain why the ball reaches a maximum height.
(c) [5pts] At what time
does the ball reach its maximum height?

(d) [5pts] What is the maximum height of the ball?
(e) [5pts] At what time
does the ball reach the ground?

ANSWER:

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