Logic

What is the logic of asking these questions?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

What is the solution to the equation below? 3/x-2+6=square root x-2 +8

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.