The population P of a certain country in thousands) from 1999 through 2009 can be modeled by PCC) = -8.88t+ 255.9t+ 88,102,
where t is the year, with t = 9 corresponding to 1999.
(a) According to the model, in what year did the country have its greatest population? (Round your answer to one decimal place.)
What was the population? (Round your answer to the nearest whole number.)
x thousand people
(b) According to the model, what will the country's population be in the year 2070? (Round your answer to the nearest whole number.
* thousand people