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April 20, 2014

Homework Help: math

Posted by sophia on Saturday, November 7, 2009 at 11:00pm.

The value of a car decreases at a constant rate as it grows older. When the car is 2 years old, it is worth $23,000. When the car is 5 years old it is worth $15,500.
Write and equation relating y (value of the car $) to x (age of car).

Is it y-23,000=-2500(2)-5 ??

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