Posted by **kaylarae** on Wednesday, April 7, 2010 at 10:51pm.

A rule of thumb used by car dealers is that the trade-in value of a car decreases by 30% each year. That is, the value at the end of any year is 70% of its value at the beginning of the year

A.Suppose that you own a car whose trade-in value is presently $2350. How much will it be worth one year from now? Two years from now? Three years from now?

We learned to use the equation y=KM^x+b

I just donâ€™t know what to plug in

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