Table A.11 shows the public debt, D, of the US9 in billions of dollars, t years after
Chapter 0, Problem 9(choose chapter or problem)
Table A.11 shows the public debt, D, of the US9 in billions of dollars, t years after 1998. (a) Plot the public debt against the number of years since 1998. (b) Does the data look more linear or more exponential? (c) Fit an exponential function to the data and graph it with the data. (d) What annual percentage growth rate does the exponential model show? (e) Do you expect this model to give accurate predictions beyond 2004? Explain. Table A.11 t 0 1 2 3 4 5 6 D 5526 5656 5674 5808 6228 6783 7379
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