The graph below represents the total cost of using a computer in a lab. Computer Lab
Total Cost
(in dollars)
35
30
25
20
15
10
5
1 2 3 4 5 6 7 8 9 10
Hours
Which equation most accurately reflects the relationship between the number of hours in the lab and the total
cost of using the computer lab?
A y = 2.50x + 5.00
B y = 5.00x + 2.00
C y = 2.50x + 3.50
D y = 3.00x + 2.50