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zimovet [89]
3 years ago
8

The population of a community was 200 people 10 yrs ago. Today the population is 550 people. Using an exponential growth functio

n when will the population be 1000?
Mathematics
1 answer:
goldenfox [79]3 years ago
5 0

Answer:

  in 6 years

Step-by-step explanation:

Using t=10 to represent today, we can write the exponential growth function as ...

  p(t) = 200(550/200)^(t/10)

Then we can set p(t) = 1000 and solve for t:

  1000 = 200(11/4)^(t/10) . . . . simplifying the growth factor

  1000/200 = (11/4)^(t/10) . . . . divide by 200

  log(5) = (t/10)log(11/4) . . . . . . take logs

  t = 10·log(5)/log(11/4) ≈ 15.91

That is, about 16 years from 10 years ago, the population will reach 1000.

The population will reach 1000 in about 6 years.

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