The publishers of a national magazine have found that the fraction of subscribers retained for at least
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The publishers of a national magazine have found that the fraction of subscribers retained for at least t years is f(t) = e−t/10. Currently, the magazine has 20,000 subscribers and it is estimated that new subscriptions will be sold at the rate of 1,000 per year. Approximately how many subscribers will the magazine have in the long run?
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Calculus For Business, Economics And The Social And Life Sciences
ISBN: 9780073532387
11th Brief Edition
Authors: Laurence Hoffmann, Gerald Bradley, David Sobecki, Michael Price
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