Social Security Funding Social Security benefits are funded by individuals who are current...

Social Security Funding Social Security benefits are funded by individuals who are currently employed. The following graph, based on known data and projections into the future, defines a function that gives the number of workers n supporting each retiree as a function of time t (given by the calendar year). Denote this function by n = f(t).

a. Find f(1990) and explain its meaning.

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b. In what year will the number of workers supporting each retiree equal 2?

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c. What does this function tell us about Social Security in the future?