What is the sign of f on the interval 0 < x < 2

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Why is studying fractions important