Thursday
July 24, 2014

Homework Help: Calculus

Posted by Erika on Friday, November 5, 2010 at 12:17am.

for population in billions, where t is years since 1990:
N(t) = 41/1+11 e^−0.1 t

(b) According to this model, when will the earth's population reach 20.5 billion?

During the year .

How about 40.9 billion?

During the year .

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Applied Calculus - The world population at the beginning of 1990 was 5.3 billion...
Math - he world population at the beginning of 1990 was 5.3 billion. Assume that...
algebra - In 1990, the population of Africa was 643 million and by 2000 it had ...
math - UGH! The human population of the world is over 6 billion. The increase of...
human life - The human population of the world is over 6 billion. The increase ...
math - P=347e^.023t, where t is the number of years after 1990. According to the...
math - In 1980, the population of a certain country was about 161 000. since ...
Math - The population of the Earth is approximately 6 billion people and is ...
College Algebra - The population of the Earth is approximately 6 billion people...
math - The population p of a city is given by p=240,360e^0.012t where t=0 ...

Search
Members