Answer:
The height of the soccer ball is above 35 ft when t is more than 0.947 seconds and less than 2.178 seconds after it is kicked.
Explanation:
You are right, it doesn't make sense. The question seems to ask for the specific times at which height is 35 feet, but the "answer" wording suggests an interval is of interest.
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This is a good question to ask your teacher about.