1. From 1988 to 2009, the number B of federally insured banks could be approximated by B(t)= −326t + 13746 where t is the year and t=0 corresponds to 1988. How many federally insured banks were there in 1993?

Find the slope of the graph of B.

2.Interpret this slope as a rate of change. Choose the correct answer below.
A. The number of banks increased by 13746 banks per year
B. The number of banks decreased by 12116 banks per year
C. The number of banks increased by 12116 banks per year
D. The number of banks increased by 326 banks per year
E. The number of banks decreased by 13746 banks per year
F. The number of banks decreased by 326 banks per year

3. Find the y-intercept of the graph of B. The y-intercept is

Interpret the y-intercept. Choose the correct answer below.
A. The y-intercept is the maximum number of banks allowed in the country
B. The y-intercept is the number of banks in 2009
C. The y-intercept is the number of banks in 1988
D. The y-intercept is the number of banks in 1993
E. The y-intercept is the minimum number of banks allowed in the country