Can anyone asnswer any of these questions?? I don't get this topic

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.

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Write the equation of the circle centered at (10,-2) with radius 2