From 1986 to 2003, the number BB of federally insured banks could be approximated by B(t)=−325t+13760B(t)=-325t+13760where t is the year and t=0 corresponds to 1986. How many federally insured banks were there in 1991?   Find the slope of the graph of B. Interpret this slope as a rate of change. Choose the correct answer below. The number of banks increased by 325 banks per year The number of banks increased by 12135 banks per year The number of banks increased by 13760 banks per year The number of banks decreased by 13760 banks per year The number of banks decreased by 12135 banks per year The number of banks decreased by 325 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. The y-intercept is the number of banks in 1991 The y-intercept is the maximum number of banks allowed in the country The y-intercept is the number of banks in 1986 The y-intercept is the minimum number of banks allowed in the country The y-intercept is the number of banks in 2003

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A: Given info: The number BB of federally insured banks could be approximated by B(t)=−330t+13743,…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.