(b) The population of the world in 2015 was 9.75 billion people and was growing at a rate of 1.25% per year. (i) Assuming that this growth rate continues, derive a model to represent the population P (in billions of people) in year t. (ii) From the model derive in (i), approximately when will the population of the world be 11.2 billion people?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 18T
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(b) The population of the world in 2015 was 9.75 billion people and was growing at a rate of
1.25% per year.
(i) Assuming that this growth rate continues, derive a model to represent the
population P (in billions of people) in year t.
(ii) From the model derive in (i), approximately when will the population of the
world be 11.2 billion people?
Transcribed Image Text:(b) The population of the world in 2015 was 9.75 billion people and was growing at a rate of 1.25% per year. (i) Assuming that this growth rate continues, derive a model to represent the population P (in billions of people) in year t. (ii) From the model derive in (i), approximately when will the population of the world be 11.2 billion people?
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