Marking brainliest

What is the question asking for ?

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.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Which expression is the factorization of x^2+10+21