Problem 92 of 7
Determine the meaningful domain for projectile model h(t)=-4.9t^2+9.8t+14.7 in context the time the projectile is in the air.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
restrict time from launch to landing or observation interval.
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Domain must restrict time to the stated physical observation interval.
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Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Find the start time from the context.
2. Solve or read the landing/end time.
3. State the meaningful time interval.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
All real numbers for physical time.