Question

One model of Earth's population growth is p(t)=64/1+11e^-0.8t, where t is measured in years in 1990, and P is measured in billions of people. Which statments are true?

Answer 1

A. in 1991, there were 5.74 bullion people, according to this model.
B. the population of Earth is growing at a rate of just under 8% per yeay
C. The population of Earth will grow exponentially for a while but then start to decrease.
D. The carrying capactiy of earth is 64 billion people.