Diego learned to sing a total of 10 pieces over the course of 5 weeks of voice lessons. After 10 weeks of voice lessons, how many pieces will Diego be able to sing, in total? Assume the
relationship is directly proportional

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.