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You drop a ball from a height of 81 feet. The function h=-16x^2+81 represents the height h (in feet) of the ball after x seconds. How long does it take the ball to hit the ground?
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You drop a ball from a height of 81 feet. The function h=-16x^2+81 represents the height h (in feet) of the ball after x seconds. How long does it take the ball to hit the ground?

User Supo
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1 Answer

3 votes

Answer:

2.25 seconds.

Explanation:

You drop a ball from a height of 81 feet. The function h=-16x^2+81 represents the-example-1
User Alok Ranjan
by
6.2k points
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