383 7x + 18,21 wher e x is the number of years after 1980 if this model is the number of banks n the country for selected years from 198 to 2009 s g en by y= accurate after 2009, in what year would the number of banks be 4790 the number of banks in the country would be 4790 in do not round until the final answer then round to the nearest whole number as needed )