The World Bank reported the following fertility rates for Brazil, measured as the average number of children

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The World Bank reported the following fertility rates for Brazil, measured as the average number of children born per woman of childbearing age:

1970: \(5.0 \quad\) 1980: \(4.1 \quad\) 1990: \(2.8 \quad 2000: 2.4 \quad 2010: 1.8\)

a. Do you think the fertility rate is declining linearly? nearly (That is, if you plot these points, is the graph linear?) Support your answer.

b. Pick two data points and find the equation of the line between these points.

c. Predict the fertility rate in the year 2005 . Will this answer vary depending on the selected data points? Support your answer.

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