Over what interval is the function in this graph decreasing?

Describe the relationship between the angles of similar triangles and the sides of similar triangles

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.

On ryan's last social studies test there were two types of questions true/false worth 3 points each and multiple choice questions worth 4 points each