When is the population of China expected to reach 1.4 billion people? [Hint: The equation...

When is the population of China expected to reach 1.4 billion people? [Hint: The equation that estimates the population of China is in Exercise 1.]

Exercise 1

According to United Nations projections, the population of China (in millions) between now and 2050 is given by

where x = 0 corresponds to 2000. In what year will China reach its maximum population, and what will that population be?