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Solve the Problem. -The Life Expectancy of Inhabitants of a Country Can Be

Question 256

Multiple Choice

Solve the problem.
-The life expectancy of inhabitants of a country can be approximated by the equation y = 0.289x - 364, where x is a year between 1940 and 2006 and y is age in years. Use this mathematical model to approximate life expectancy (to the nearest tenth of a year) in 1974.


A) 566.8 yr
B) 206.5 yr
C) 534.1 yr
D) 270.5 yr

Correct Answer:

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