Answer:
B.2
Step-by-step explanation:
3^2x1=9
3^2x2=81 <-
3^2x3= 729
3^2x4= 6561
9^3(1)-4= 0.11111111111
9^3(2)-4=81 <-
9^3(3)-4=59049
9^3(4)-4=43046721
Therefore, we can conclude that x=2.
