Question

The graph shows the linear relationship between the cost of a car wash in dollars and the number of cars washed.Which of the following best represents the rate of change of the cost of a car wash with respect to the number of carswashed?Car Wash+Cost of Car Wash9080706030$403020100Number of Cars Washed20 dollars/car20dollars/car10 dollars/cardollars/car

Answer 1

From the graph for every 1 car, you pay $20

so the correct option is $20 per car