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? (1 point) total minutes of talk time monthly cost of cell phone 0 $19.95 10 $20.45 20 $20.95 30 $21.45 40 $21.95 the average rate of change is $0.50, meaning that for each minute of talk time, the monthly bill increases by $0.50. the average rate of change is $0.50, meaning that for every ten minutes of talk time, the bill increases by $0.50. the average rate of change is $0.05, meaning that for each minute of talk time, the monthly bill increases by $0.05. the average rate of change is $0.05, meaning that for every ten minutes of talk time, the bill increases by $0.05.
