Concept explainers
a.
The exponential growth or decay model for the population of each country.
Explanation of Solution
Given information:
The exponential growth or decay model is given by formula,
The table shows the population (in millions) of five countries in the year 2018 and the projected population (in millions) for the year 2030.
Calculations:
Here the population in Japan has decreased from the year 2018 to 2030. So it is following exponential decay model.
Now,
Now putting the values we get,
Thus the exponential decay model for Japan is
Now for Canada.
Here the population in Canada has increased from the year 2018 to 2030. So it is following exponential growth model.
Now,
Now putting the values we get,
Thus the exponential growth model for Canada is
Now for Russia.
Here the population in Russia has decreased from the year 2018 to 2030. So it is following exponential decay model.
Now,
Now putting the values we get,
Thus the exponential decay model for Russia is
Now for Philippines.
Here the population in Philippines has increased from the year 2018 to 2030. So it is following exponential growth model.
Now,
Now putting the values we get,
Thus the exponential decay growth for Philippines is
Now for Turkey.
Here the population in Turkey has increased from the year 2018 to 2030. So it is following exponential growth model.
Now,
Now putting the values we get,
Thus the exponential growth model for Turkey is
Chapter 3 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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