If m=9^(x−1), then in terms of m, 3^(4x−2) must be which of the following?

If m=9^(x−1), then in terms of m, 3^(4x−2) must be which of the following?

Quiz

Answer/Solution

9m^2

Steps/Work

3(4x−2)=3^2(2x−1)=9(2x−1)=9∗9(2x−2)=9∗(9(x−1))2=9m
Answer: C.