find a linear function that models the relationship between the two variables and describe the slope and intercep Suppose that a car’s worth depreciates at a constant rate.  You bought the car in 2002 for $18,000 and it is now (2007) worth $12,000.  Find a formula that relates the car’s worth and the number of years after you purchased it, then use it to determine when the car will be worthless.

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
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 find a linear function that models the relationship between the two variables and describe the slope and intercep

Suppose that a car’s worth depreciates at a constant rate.  You bought the car in 2002 for $18,000 and it is now (2007) worth $12,000.  Find a formula that relates the car’s worth and the number of years after you purchased it, then use it to determine when the car will be worthless.

 

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