Suppose the Rate of Change of the Interest Paid on the Public

Multiple Choice

Suppose the rate of change of the interest paid on the public debt of the United States as a percent of federal expenditures can be modeled by , where t is the number of years past 1930. Use integration and the fact that in 1975, the interest paid as a percent of Federal Expenditures was 12.7, to find the function D(t) that models the interest paid on the public debt of the United States as a percent of federal expenditures. If it's necessary, round your calculations to three decimal places. ​

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