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anonymous

  • 4 years ago

A city's population is 1200 and growing at 3% a year. (a) Find a formula for the population,p, at time t years from now assuming that the 3% per year is as an ANNUAL RATE and a CONTINUOUS ANNUAL RATE.

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  1. campbell_st
    • 4 years ago
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    this uses the compound interest formula A = P(1 + r)^N P is the initial population, r is the growth rate, A is the future population and N is the number of time periods... all the information is in the question for you to solve it

  2. anonymous
    • 4 years ago
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    well the annual and continous must be different...

  3. campbell_st
    • 4 years ago
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    the question is telling you each year the rate of increase will be 3%... continuous means that it will constantly change

  4. anonymous
    • 4 years ago
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    yea there are two formulas then.

  5. anonymous
    • 4 years ago
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    igot it. nevermind

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