From 1985 to 2007, the number B of federally insured banks could be approximated by 305) = 32515 + 13767 where t is the year and t=0 corresponds to 1985. How many federally insured banks were there in 1990? Find the slope of the graph of B. [: Interpret this slope as a rate of change. Choose the correct answer below. 0 The number of banks increased by 325 banks per year 0 The number of banks decreased by 325 banks per year 0 The number of banks increased by 13767 banks per year 0 The number of banks decreased by 13767 banks per year 0 The number of banks decreased by 12142 banks per year 0 The number of banks increased by 12142 banks per year Find the y-intercept of the graph of B. Interpret the y-intercept. Choose the correct answer below. 0 The y-intercept is the number of banks in 1985 O The y-intercept is the minimum number of banks allowed in the country 0 The y-intercept is the number of banks in 1990 O The y-intercept is the maximum number of banks allowed in the country 0 The y-intercept is the number of banks in 2007