(2) The population of the world in 1995 was about 5.7 billion, and the estimated relative growth rate is 2% per year. If the population continue to grow at this rate. (a) Express the population in term of the number of years t after 1995 and estimate the population of the world in 2012; (b) By what year will the population have doubled? When will it have tripled?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.3: The Natural Exponential Function
Problem 8E
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(2) The population of the world in 1995 was about 5.7 billion, and the estimated relative growth rate
is 2% per year. If the population continue to grow at this rate.
(a) Express the population in term of the number of years t after 1995 and estimate the
population of the world in 2012;
(b) By what year will the population have doubled? When will it have tripled?
Transcribed Image Text:(2) The population of the world in 1995 was about 5.7 billion, and the estimated relative growth rate is 2% per year. If the population continue to grow at this rate. (a) Express the population in term of the number of years t after 1995 and estimate the population of the world in 2012; (b) By what year will the population have doubled? When will it have tripled?
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