The answer is not Function 2 shows a greater rate of change, because Lenny spends $15 each month and Thad spends $12 each month.
Just so you know
The table shows the relationship between the amount of money (y) remaining in Lenny's money box and the number of months (x):
Function 1
Number of Months
(x) Amount Remaining (in dollars)
(y)
1 75
2 60
3 45
4 30
The equation shows the relationship between the amount of money (y) remaining in Thad's money box and the number of months (x):
Function 2:
y = −12x + 80
Which statement explains which function shows a greater rate of change?
Function 2 shows a greater rate of change, because Lenny spends $15 each month and Thad spends $12 each month.
Function 2 shows a greater rate of change, because Lenny spends $75 each month and Thad spends $12 each month.
Function 1 shows a greater rate of change, because Lenny spends $15 each month and Thad spends $12 each month.
Function 1 shows a greater rate of change, because Lenny spends $15 each month and Thad spends $80 each month.
2 answers
Function 1 shows a greater rate of change, because Lenny spends $15 each month and Thad spends $12 each month.