This graph shows a linear relationship between Juan's mobile phone cost and the minutes used.
Mobile Phone Usage Cost
y
14
61208
Cost (dollars)
642
2
0
5 10 15 20 25
Minutes Used
Enter the rate of change of mobile phone usage cost, in dollars per minute.

This graph shows a linear relationship between Juans mobile phone cost and the minutes used Mobile Phone Usage Cost y 14 61208 Cost dollars 642 2 0 5 10 15 20 2 class=