You know the population of your nation was 151 million in 1990 and

Question

173 million in 2000. Use the model f(t) = P e^rt to model your nation’s
population t years after 1990.

Using the correct rate of population growth, predict the year in
which your country’s population will finally reach 250 million.

Answer 1

well,

151e^(10r) = 173
e^(10r) = 173/151
r = ln(173/151) / 10 = 0.0136