SOLUTION: The average value of a certain type of automobile was $13,140 in 2007 and depreciated to $4740 in 2010. Let y be the average value of the automobile in the year x, where x = 0 repr

Question 1123253: The average value of a certain type of automobile was $13,140 in 2007 and depreciated to $4740 in 2010. Let y be the average value of the automobile in the year x, where x = 0 represents 2007. Write a linear equation that models the value of the automobile in terms of the year x.
I need help solving this.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Description is of (x,y) points, (0, 13140) and (3, 4740).

Since the x=0 point was given in description, for year 2007, b=13140.

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