Directions: complete the problems on the answer sheet provided. all problems must be completed by the end of class
to earn full credit. show all work.
1. in 2009 the number of vehicle sales in the united states was 10,602 thousand
15,884 thousand.
a. [2 pts) determine the average rate of change (slope) from 2009 to 2013.
b. [3 pts) if x is the number of years since 2009 and f(x) is the number of vehicles sold, find the equation of the
line through these two points.
c. [2 pts) assuming f(x) is a linear function, use the equation to predict the number
o
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11: 20 pm
edm1) 9/23/2019