SOMEONE HELP ME WITH MY RECENT 3 QUESTIONS PLZ :)

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Can someone answer this question for me