You are deciding between two phone plans to purchase: Yap-Yap charges $11 for phone rental and 9 cents per minute. Holla charges $15 for phone rental and 7 cents per minute. If you talk 328 minutes for the month of August, which plan is better for you to choose?

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.