Which situation describes the mileage of a car as 40 miles per gallon of gasoline?  a. a car can travel 2 miles on 80 gallons of gasoline.  b. a car can travel 42 miles on 2 gallons of gasoline.  c. a car can travel 80 miles on 2 gallons of gasoline.  d. a car can travel 80 miles on 40 gallons of gasoline.

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.