Let f(x) = 4.1x3+ 5.6x2–3.7x + 20 represent the number of people in a country where x is the number of years after 2000 and f(x) represents the number of people in hundreds. What is the y-intercept?

How many people are there in the year 2000?

Find f(22). f(22) =

x = 22 represents the year .

Write a complete sentence interpreting f(22) in context to the problem.