Answered: 2- 1990 2000 2010 2020 2030 2040 Year…

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Working Age The scatter plot below projects the ratio
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.

2-
1990 2000 2010 2020
2030 2040
Year
(Source: Newsweek)
Ratio of working-age
population to the e klerly

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