Abank changes a monthly fee if the average monthly balance of your account is less than $5000. the table shows the balance of your account the first four mounts id it open. find the average monthly balance of your account after the fourth month. do you have to pay the fee after the fourth month

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.