Solve.The average value of a certain type of automobile was $14,520 in 1991 and depreciated to $6240 in 1995. Let y be the average value of the automobile in the year x, where x = 0 represents 1991. Write a linear equation that models the value of the automobile in terms of the year x.
A. y = -2070x + 14,520
B. y = -2070x - 2040
C. y = -2070x + 6240
D. y = - 
x - 6240
Answer: A
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A. 
B. 
C. 
D. 