The country of Benin in West Africa has a population of 9.05 million people. The population
is growing at a rate of 3.1% each year. Which
function can be used to find the population 7 years
from now?
1) S() = (9.05 10"(1-0.31)
2) X) = (9.05 x 10" X(1 +0.31)
3) f(t) = (9.05 x 10°)(1 + ().(031)
4) $(t) = (9.05 10%)(1 -0.031)