Education Expenditure The following table shows the percentage of the U.S....

Education Expenditure The following table shows the percentage of the U.S. Discretionary Budget allocated to education in 2003, 2005, and 2009. (See Exercise 20; t = 3 represents the start of 2003.)

Find a quadratic model for these data, and use your model to estimate the percentage of the U.S. Discretionary Budget allocated to education in 2008. Compare your answer with the actual figure shown in Exercise 20.