This graph shows how the total cost of visiting the art museum as a member is related to the number of visits. y x 10 20 30 40 50 60 70 80 90 100 $10 $20 $30 $40 $50 $60 $70 $80 $90 $100 0 Total cost Number of visits Cost of art museum visits with membership What is the rate of change? $ per visit