Answer to Question #56782 in Calculus for Box Cars

Question

64
7: One model of earth's population growth is P(t) = -----------------
(1 + 11e^-0.08t) , where t is measured in years since 1990, and P is measured in billions of people. Which of the following statements are true?

Check all that apply.

In 1990, there were 5.33 billion people.
The population of Earth will grow exponentially without bound.
The population of Earth is increasing by a steady rate of 8% per year.
The carrying capacity of Earth is 64 billion people.