College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter1: Equations And Graphs
Section1.3: Lines
Problem 92E
Related questions
Question
From 1981 to 2003, the number BB of federally insured banks could be approximated by B(t)=−326.8t+13758B(t)=-326.8t+13758 where t is the year and t=0 corresponds to 1981.
How many federally insured banks were there in 1986? 12,124Correct
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 decreased by 13758 banks per year
- The number of banks decreased by 326.8 banks per year
- The number of banks increased by 326.8 banks per year
- The number of banks decreased by 12124 banks per year
- The number of banks increased by 12124 banks per year
- The number of banks increased by 13758 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 maximum number of banks allowed in the country
- The y-intercept is the number of banks in 2003
- The y-intercept is the number of banks in 1981
- The y-intercept is the minimum number of banks allowed in the country
- The y-intercept is the number of banks in 1986
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