Concept explainers
To find: The model of each country of exponential growth or decay.
Explanation of Solution
Given: The table shows the populations (in millions) of five countries in 2013 and the projected populations (in millions ) for 2025.
Let
For Australia
As year increase population increase. So, it would be exponential growth.
For Canada
As year increase population increase. So, it would be exponential growth.
For Hungary
As year increase population decrease. So, it would be exponential decay.
For Philippines
As year increase population decrease. So, it would be exponential decay.
For Turkey
As year increase population decrease. So, it would be exponential decay.
Now find the population of each country for years 2040.
Put
To find: The model of each country of exponential growth or decay.
Explanation of Solution
Given: The table shows the populations (in millions) of five countries in 2013 and the projected populations (in millions ) for 2025.
Using above table to find the rate of growth.
The growth rate of Canada is 0.69%.
The growth rate of Philippines is 1.65%.
The constant for Canada is 31.62
The constant of Philippines is 85.25
To find: The model of each country of exponential growth or decay.
Explanation of Solution
Given: The table shows the populations (in millions) of five countries in 2013 and the projected populations (in millions ) for 2025.
The rate of Turkey increasing and Hungary is decreasing.
The constant of Turkey is 81.28
The constant of Hungary is 10.24
Chapter 3 Solutions
Precalculus with Limits: A Graphing Approach
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