Susan and Claire spend a certain amount of money from their money box each month to buy plants. The table shows the relationship between the amount of money (y) remaining in Susan's money box and the number of months (x): Number of Months
(x)

Amount Remaining (dollars)
(y)

1

50

2

45

3

40

4

35

The equation shows the relationship between the amount of money, y, remaining in Claire's money box and the number of months, x:

Function 2:
y = −6x + 50

Which statement explains which function shows a greater rate of change? (5 points)

Function 2 shows a greater rate of change because Claire spends $6 each month and Susan spends $5 each month.
Function 2 shows a greater rate of change because Claire spends $50 each month and Susan spends $15 each month.
Function 1 shows a greater rate of change because Susan spends $15 each month and Claire spends $44 each month.
Function 1 shows a greater rate of change because Susan spends $5 each month and Claire spends −$6 each month.