Question 1018266
in 2005 17,445 vehicles were sold and in 2009 10,601 vehicles sold. Determine the average rate of change (slope) from 2005 to 2009 and interpret the results 
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slope = (10,601-17445)/(2009-2005) = -1711
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Interp:: for each year the # of vehicles sold declined by 1711 cars
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Cheers,
Stan H.
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