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Answer:
after 3 secods:
the height of the ball is 96 feet
Explanation:
80x - 16x²
=16x(5 - x)
by substituting the value of x, which is 3 seconds
= 16(3)(5 - 2)
= 48(2) = 96 feet
thus, the height of the ball above the ground after 3 seconds = 96 feet
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