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 modeled by
L(y) = - 14.6 + 7.10 ln y
where y equals the number of years past 1950.
(a) Find the function that models the rate of change of the years of life expectancy past age 65.
(b) Find and interpret L(50) and L(80).
(c) Find and interpret L'(50) and L'(80).

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Ly 146 710 ln y a Ly 710 y b L50 132 and L80 165 These mean that the expected ... View full answer

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