Which of the following represents "ten times the sum of a number and fourteen is equal to nine times the number"? 10(N + 14) = 9N 10(N + 9N) = 14 10(9N + 14) = N

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.