Can you i have no idea how to i’m stuck

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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.

If g^-1(x) is the inverse of g (x) which statement must be true