The population (in millions) of a country t years after 1800 is given by the function f(t). Use the graphs of f(t), f'(t), and f''(t) given below to answer the following questions. 300- o 250- 0.03- 200- 0.02 150- 0.01- 10010 -0.01- 100 50 200 -0.02- y =160 0 50 100 150 200 50 100 150 200 -0.03 (a) What was the population in 1875? The population in 1875 was million. (b) Approximately when was the population 100 million? The population was 100 million in the year (c) How fast was the population growing in 1850? The population was growing at a rate of million people per year in 1850. (d) In what year between 1825 and 2000 was the population growing at 0.4 million people per year? Between 1825 and 2000, the population was growing at 0.4 million people per year in the year (e) In what year was the population growing at the greatest rate? The population was growing at the greatest rate in the year