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?

Total minutes of talk time Monthly cost of cell phone
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 minutes of

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?


Total minutes of talk time	Monthly cost of cell phone
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 minutes of

lcncjc · Answer

so, they use 40 minute of talk time?

ansleybp · Answer

yes

lcncjc · Answer

what is the rest of the last answer?

ansleybp · Answer

of talk time the monthly bill will increase by 0.07

lcncjc · Answer

okay, it would be the second one. because, 12.75-12.05= 0.07. You go through and do the rest the same way, and you get the same answer. The rate of change would be 0.07. Make sense?