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? (2 points)

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 talk time, the monthly bill increases by $1.30.

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

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? (2 points)

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 talk time, the monthly bill increases by $1.30.

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

Vocaloid · Answer

Notice that the minutes are increasing by 10 each time. How much is the price increasing by?

Extrinix · Answer

To back up what Vocaloid is saying in more depth:

Start by taking the 40 minutes of talk time price, and subtracting it by the 30 minutes of talk time. Repeat that until you reach zero or until you see a pattern in the rate change.