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In 1983, the population of Functionville was 2560, and it tripled in 6 years.

a. Write an exponential model for the population of Functionville t years after 1983.

b. According to your model, it what year had the population grown to 7 times its size?

  • Math -

    since it tripled in 6 years, ew have

    P = 2560*3^(t/6) where t=years since 1983

    now plug in P=7, get t, add 1983 and voila'

  • Math -

    ahem. Plug in P=7*2560

  • Math -

    I'm on the same problem and I'm having trouble solving it, can you go into a bit more detail.

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