Answer:
Explanation:
-16 +50t + 3
they ask what is the height after exactly 3 seconds, so plug in the 3 for t
t(3) = -16* + 50*3 +3
t(3) = -144 +150 +3
t(3) = 9 feet, ( the ball has gone up and come back down most of the way )
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+50t + 3
+ 50*3 +3