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-The average value of a certain type of automobile was $\$ 13,800$ in 1993 and depreciated to $\$ 8160$ i be the average value of the automobile in the year $x$, where $x = 0$ represents 1993 . Write a linear models the value of the automobile in terms of the year $\mathrm { x }$.
A) $y = - 1880 x + 8160$
B) $y = - 1880 x + 13,800$
C) $y = - 1880 x + 2520$
D) $y = - \frac { 1 } { 1880 } x - 8160$ in 1996. Let y

Question

Quizplus · Accepted Answer

The depreciation from 1993 to 1996 is $13800 - 8160 = 5640$. This occurred over 3 years, so the annual depreciation rate is $5640 / 3 = 1880$. The equation for the value $y$ in year $x$ (with $x = 0$ in 1993) is $y = -1880x + 13800$, reflecting a starting value of \$13,800 and a depreciation of \$1880 per year.

Solve Hat -The Average Value of a Certain Type of Automobile

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-The Average Value of a Certain Type of Automobile