From 1988 to 2009, the number B of federally insured banks could be approximated by B ( t ) = − 324 t + 13732 where t is the year and t=0 corresponds to 1988.
Find the slope of the graph of B. ______
Interpret this slope as a rate of change. Choose the correct answer below.
a. The number of banks increased by -324 banks per year
b. The number of banks decreased by 13732 banks per year
c. The number of banks decreased by 324 banks per year
d. The number of banks increased by 13732 banks per year
e. The number of banks increased by 324 banks per year
f. The number of banks decreased by -324 banks per year
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 minimum number of banks allowed in the country
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 number of banks in 2009