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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Question
Working Age The
of the working-age population to the elderly.
a. Do the data appear to fit a linear function?
b. The data points shown in the scatter plot from
2010 to 2030 are projections made from a mathematical model. Do those projections appear to be
made with a linear model? Explain.
c. If the ratio is 3.9 in 2010 and projected to be 2.2 in
2030, what is the average annual rate of change of
the data over this period of time?
d. Write the equation of the line joining these two
points.
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