MATH 120 Final: MATH 120 UW Final Exam V2a Aut12
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Total 80: complete all eight questions, show all work for full credit, you may use a scienti c calculator during this examination. 1. (a) in 2010, the us federal budget was 3. 6 trillion dollars. Compute a linear model for the us budget b(x), in trillions of dollars, x years after: use at least 4 decimal places in all values. (b) in 2005, the us gdp (gross domestic product) was 12. 56 trillion dollars. Compute a linear model for g(x), the us gdp, in trillions of dollars, x years after 2005. (c) the percentage of the us budget relative to the gdp is given by p (x) = Use your answers above to write a linear-to-linear rational function for the percent- age p (x), x years after 2005. Find the value that p (x) approaches long-term: in 2005, the gross us federal debt was 7. 9 trillion dollars. In 2005, the us gdp (gross domestic product) was 12. 56 trillion dollars.
