The table gives the number of banks in a country for selected years from 1935 to 2009 a. Create a scatter plot of the data with x equal to the number of years after 1900.
b. Find the quadratic function that models this data.
c. Use the unrounded model to estimate the number of banks in 2004
d. In what year after 1935, does the unrounded model estimate that the number of banks equals 5329?