The table lists the balances at the end of each year for a 15-year, $50,000 loan with an 8% interest rate.
a. Construct a scatterplot using the data points (year, loan balance).
b. Write a linear regression equation that approximates the year/loan balance relationship. Round to the nearest integer.
c. Write a quadratic regression equation that approximates the year/loan balance relationship. Round to the nearest integer.
d. Write a cubic regression equation that approximates the year/loan balance relationship. Round to the nearest integer.