HELP verify i dont know if correct ---
One model of Earth's population growth is P(t)=64÷(1+11e^(-.08t)) http://i.imgur.com/AZ7d8Bv.png , 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.
A. The population of Earth is growing at a rate of just under 8% per year.
B. In 1990, there were 5.33 billion people, according to this model.
C. The carrying capacity of Earth is 64 billion people.
D. The population of Earth will grow exponentially without bound

Question

HELP verify i dont know if correct ---
One model of Earth's population growth is  P(t)=64÷(1+11e^(-.08t)) http://i.imgur.com/AZ7d8Bv.png , 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.
  		A. 	The population of Earth is growing at a rate of just under 8% per year.
  		B. 	In 1990, there were 5.33 billion people, according to this model.
  		C. 	The carrying capacity of Earth is 64 billion people.
  		D. 	The population of Earth will grow exponentially without bound

kainui · Answer

Well it won't really help you out to tell you if they're right/wrong because you can do the wrong thing to arrive at the correct answer. How did you come to your answers? If you can explain that then we have something to talk about. =)

anonymous · Answer

ok well for c i remembered that the top number is the capacity so i just applied that to this ...

kainui · Answer

Yeah, that seems reasonable. I guess the rest is pretty straight forward. How did you get your answer for A?