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

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

anonymous · Answer

A.The average rate of change is $1.30, meaning that for each minute of talk time, the monthly bill increases by $1.30.
	B.The average rate of change is $0.07, meaning that for each minute of talk time, the monthly bill increases by $0.07.
	C.The average rate of change is $1.30, meaning that for every ten minutes of talk time, the monthly bill increases by $1.30.
	D.The average rate of change is $0.07, meaning that for every ten minutes of talk time, the monthly bill increases by $0.07.