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One model of Earth's population is given by 280 P(E) 4 + 66e-0.021r In this equation, P(t) is the population in billions and t is the number of years after 1980. Round answers to the nearest hundred million people. (a) According to this model, what was Earth's population in the year 1998? | billion people (b) According to this model, what will be Earth's population in the year 2012? ) billion people (c) If t is very large, say greater than 500, then e-0.021t = 0. What does this suggest about the maximum population that Earth can support? O The maximum population the Earth can support is 70 billion people. O The population will grow without bound. O The maximum population the Earth can support is 280 billion people. The maximum population the Earth can support is 35 billion people. O The population will eventually drop to 0.

One model of Earth's population is given by 280 P(E) 4 + 66e-0.021r In this equation, P(t) is the population in billions and t is the number of years after 1980. Round answers to the nearest hundred million people. (a) According to this model, what was Earth's population in the year 1998? | billion people (b) According to this model, what will be Earth's population in the year 2012? ) billion people (c) If t is very large, say greater than 500, then e-0.021t = 0. What does this suggest about the maximum population that Earth can support? O The maximum population the Earth can support is 70 billion people. O The population will grow without bound. O The maximum population the Earth can support is 280 billion people. The maximum population the Earth can support is 35 billion people. O The population will eventually drop to 0.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.6: Solving Quadratic Equations By Using The Quadratic Formula
Problem 15CYU
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One model of Earth's population is given by 280 P(t) - 4 + 66e-0.021 In this equation, P(t) is the population in billions and t is the number of years after 1980. Round answers to the nearest hundred million реople. (a) According to this model, what was Earth's population in the year 1998? billion people (b) According to this model, what will be Earth's population in the year 2012? | billion people (c) If t is very large, say greater than 500, then e-0.021t = 0. What does this suggest about the maximum population that Earth can support? O The maximum population the Earth can support is 70 billion people. O The population will grow without bound. The maximum population the Earth can support is 280 bllion people. O The maximum population the Earth can support is 35 billion people. O The population will eventually drop to 0.
Transcribed Image Text:One model of Earth's population is given by 280 P(t) - 4 + 66e-0.021 In this equation, P(t) is the population in billions and t is the number of years after 1980. Round answers to the nearest hundred million реople. (a) According to this model, what was Earth's population in the year 1998? billion people (b) According to this model, what will be Earth's population in the year 2012? | billion people (c) If t is very large, say greater than 500, then e-0.021t = 0. What does this suggest about the maximum population that Earth can support? O The maximum population the Earth can support is 70 billion people. O The population will grow without bound. The maximum population the Earth can support is 280 bllion people. O The maximum population the Earth can support is 35 billion people. O The population will eventually drop to 0.
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