(adsbygoogle = window.adsbygoogle || []).push({}); [RESOLVED]General question about growth function?

P=P_{0}e^{kt}

I'm given that a population doubles in number in 4 hours. Does that mean the k in the function equals 0.5 per hour or should I find k from 2=e^{4*k}?

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# General question about growth function?

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