Maddy and Caitlin spend a certain amount of money from their money box each month to buy bracelet-making supplies. The table shows the relationship between the amount of money (y) remaining in Maddy's money box and the number of months (x): Function 1 Number of Months (x) Amount Remaining (in $) (y) 1 100 2 80 3 60 4 40 The equation shows the relationship between the amount of money (y) remaining in Caitlin’s money box and the number of months (x): Function 2: y = −18x + 120 Which statement explains which function shows a greater rate of change? Function 2 shows a greater rate of change, because Maddy spends $20 each month and Caitlin spends $18 each month. Function 2 shows a greater rate of change, because Maddy spends $100 each month and Caitlin spends $120 each month. Function 1 shows a greater rate of change, because Maddy spends $20 each month and Caitlin spends −$18 each month. Function 1 shows a greater rate of change, because Maddy spends $20 each month and Caitlin spends $18 each month.