Assume that in the year 2000, the cost of compact car averaged $ 12500 and that in 2003, the cost averaged $ 14300. Supposing that the relationship between year t and cost c is linear, develop a formula for predicting the average cost of a compact car in the future. Be sure to use the lower case variables t and c.
What do you predict the average cost of a compact car will be in the year 2006