Question: By using Social Security Administration data for selected years from 1950 and projected to 2050, the additional years of life expectancy at age 65 can

By using Social Security Administration data for selected years from 1950 and projected to 2050, the additional years of life expectancy at age 65 can be described by y = 0.077x + 13.8 where x equals the number of years past 1950.

(a) To what year does x = 70 correspond?

(b) What is the predicted additional years of life expectancy of a 65-year-old in 2050?

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