SOLUTION: in 2000, the population of the united states was 286.75 million and the exponential growth rate was 1.3% per year
a) Find the exponential growth function.
b) Predict the U.S. p
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Question 884547: in 2000, the population of the united states was 286.75 million and the exponential growth rate was 1.3% per year
a) Find the exponential growth function.
b) Predict the U.S. population in 2005.
C) when will the world population be 8.0 billion?
Formula I think to use: P(t) =
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
in 2000, the population of the united states was 286.75 million and the exponential growth rate was 1.3% per year
a) Find the exponential growth function.
b) Predict the U.S. population in 2005.
C) when will the world population be 8.0 billion?
Formula I think to use: P(t) = yes, you are correct.
.
a) Find the exponential growth function.
A(t) =
b) Predict the U.S. population in 2005.
t = 2005-2000 = 5
A(t) =
A(5) =
A(5) =
A(5) =
A(5) = 306.008 million
C) when will the world population be 8.0 billion?
set A(t) to 8 billion and solve for t
A(t) =
8000 =
8000 =
27.8988666085 =
ln(27.8988666085) = .013t
ln(27.8988666085)/.013 = t
3.32858606465/.013 = t
256.045081896 = t
or approx
256 = t
2000 + 256 = 2256 (the year)
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