Problem 79 of 7
Interpret half-life or doubling time from model N(t)=30(2)^(2t), t in years.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
connect base and exponent interval to repeated halving/doubling.
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Model must have base 2 or 0.5 with exponent scale revealing doubling or halving interval.
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Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify whether the base represents doubling or halving.
2. Find the input change that increases the exponent by 1.
3. State the corresponding time interval.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Identifying coefficient as doubling time or half-life.