Luis and Carlos both open savings accounts. The graph shows the amount in Luis's
account each month, and the table shows the amount in Carlos's account
each month.
Savings Amount
2,800
2,400
2,000
1,600
1,200
800
400
0
Luis's Savings
0 2
468 10
Months
Carlos's Savings
Savings
Amount
$2,000
$1,600
$1,200
$800
Months
0
1
2
3
a. What is the difference between the amount of money in the two savings
accounts at month 0?
b. What is the rate of change of Luis's account balance?
c. What is the rate of change of Carlos's account balance?
d. Whose savings account balance is changing at a greater rate? Explain.