Let P = f(t) represent the US population in millions in year t. (a) What does the statement f(2005) = 296 tell you about the US population? In 296 years there will be 2005 million people in the US. O 296 million people were born in the US in 2005. O There were at most 296 million people in the US before the year 2005. O The US population was 296 million people in 2005. (b) f -1(296) = --Units-- Interpret f -1(296). O This was the year in which the US population was 296 million. This was the US population in the year 296. " This was the number of people in the US in the year 296. This was how fast the US population grew by the year 2005. (c) What does the statement f '(2005) = 2.65 tell you about the population? The US population grew by about 2.65 million people between 2005 and 2006. The range of the US population in 2005 was about 2.65 million people. The US population was constant for 2.65 years before 2005. The US population grew by 2005 million people over 2.65 years. What are the units of f '(2005)? millions of people per year O millions of people years years per million people (d) (f -1) '(296) = -Units-- Interpret (f -1) '(296). This was the number of years it took the US population to increase by one million people when the population was 296 million. The US population reached 296 million people this many years after the year 2000. This was how long the US population stayed at 296 million people. This was the rate at which the US population grew when the population was 296 million people