A cell phone carrier introduced a new strategy to increase their number of subscribers. The function below represents the increase in number of subscribers, where f(t) represents the number of subscribers and t represents the time in months. f(t)=250(1.4)^t

The cell phone carrier had 250 subscribers before the strategy was introduced. Every 1 month after the new strategy is introduced, the number of subscribers increase by a factor of 1.4.

The cell phone carrier had 4 subscribers before the strategy was introduced. Every 2 month after the new strategy is introduced, the number of subscribers increase by a factor of 40.

The cell phone carrier had 40 subscribers before the strategy was introduced. Every 3 month after the new strategy is introduced, the number of subscribers increase by a factor of 0.04.

The cell phone carrier had 1.4 subscribers before the strategy was introduced. Every t month after the new strategy is introduced, the number of subscribers increase by a factor of 250.