There are 332,054people in a city. of these are 168,278 are under the age of eighteen. draw a bar diagram and find how many people are under the age if eighteen or older.

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. create a question you could ask that could be answered only by graphing or using a logarithm.