Question

A cell phone plan has a monthly cost that is shown in the table below. What is the correct statement regarding the average rate of change during the 40 minute time of talk?



0 $9.95
10 $10.65
20$11.35
30 $12.05
40 $12.75
The average rate of change is $1.30, meaning that for each minute of talk time, the monthly bill increases by $1.30.

The average rate of change is $0.07, meaning that for each minute of talk time, the monthly bill increases by $0.07.

The average rate of change is $1.30, meaning that for every ten minute