November 30, 2015

Homework Help: Calculus

Posted by Z32 on Tuesday, October 6, 2009 at 11:58pm.

The population of a region is growing exponentially. There were 40 million people in 1980 (when t=0) and 50 million people in 1990. Find an exponential model for the population (in millions of people) at any time t, in years after 1980.


Predicted population in the year 2000 = _______million people.

What is the doubling time?
Doubling time = _______ years.

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