The graph shown gives the estimated value, in dollars, of a car as a function of the number of years since it was purchased. What is the best interpretation of the -intercept of the graph in this context? 
The car was worth $30{,}000 when it was purchased.
The car loses $30{,}000 of value over 10 years.
The car’s value decreased by $30{,}000 in the first 2 years.
The car will be worth $10{,}000 after 10 years.
