Given that x = 3 ^ (2m-1), y = 3 + 9 ^ m, please use the algebraic expression containing x to express y
x=3^(2m-1)
x=3^2m÷3
x=3^2m*(1/3)
3x=3^2m
y=3+9^m
Y = 3 + 3 ^ 2m (use 3x instead of 3 ^ 2m)
We get: y = 3 + 3x
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