A car dealership tracks the value of a certain car model over time. A line of best fit models the relationship between the car's age in years () and its value in dollars (). The line passes through the points and . Based on this line of best fit, which of the following is the best interpretation of the slope of the line?
The car's value decreases by $2,000 per year.
The car's value decreases by $6,000 every 3 years.
The car's value decreases by $2,000 every 3 years.
The car's value decreases by $6,000 per year.
