Question
A country's population is about 10,000,000 currently. Its population is growing at a rate of
0.8% annually.
A) Write an equation that models the population (P) as a function of t (time in years).
P(+)=________
B) What will be the population of the country in 12 years if this trend continues?
Round your answer to the nearest million.
C) How long will it take for the population to reach 18 million?
0.8% annually.
A) Write an equation that models the population (P) as a function of t (time in years).
P(+)=________
B) What will be the population of the country in 12 years if this trend continues?
Round your answer to the nearest million.
C) How long will it take for the population to reach 18 million?
Answers
oobleck
With P in millions,
P(t) = 10*1.008^t
P(12) = 10*1.008^12
solve 10*1.008^t = 18
P(t) = 10*1.008^t
P(12) = 10*1.008^12
solve 10*1.008^t = 18