. in the year 2005, the average cost of a car could be modeled by the equation c= -15x^2 + 20x - 3 where x is the number of years since 2005. by the year 2010 the average cost had changed, and the equation could be modeled by c= -10x2 + 30x - 2. find the difference in average cost equation for cars between 2005 and 2010. i'm not getting this.
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Category: literature |
Author: Abraham Uilleam

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