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Unformatted text preview: 5. Suppose you start a Roth IRA and deposit $4000 at the beginning of each year. If you are able to earn 8.3% per annum, fill in what you would enter in each of the empty cells. A B C D E 1 year start balance deposit interest end balance 2 1 4000 3 2 4000 4 3 4000 6. Are each of the following stable or unstable? Why? What is the equilibrium value for the sequence in problem 6(b)? (a) a n 1 1.1 a n 3 (b) a n 1 0.5 a n 6 (c) a n 1 a n 0.6 7. Find any difference equation that has a stable equilibrium value of 8. 8. (a) Write an explicit formula for the sequence x n 1 2 x n 3, x 1 4 (b) Find x 3 using your explicit formula. Extra Credit  1 point each 1. Approximately what is the U.S. national debt? 2. Approximately what is the current unemployment rate? 3. Who is the chair of the Federal Reserve Bank? 4. Who is the Governor of Iowa?...
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This document was uploaded on 03/06/2011.
 Spring '09
 Ode

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