The range of function y = 3 ^ (1 / (2-x)) is? Detailed process

The range of function y = 3 ^ (1 / (2-x)) is? Detailed process

The asymptote of 1 / (2-x) is x = 2 and y = 0, and the range is y ≠ 0
Let t = 1 / (2-x), then y = 3 ^ t, t ≠ 0, and the range is (0,1) ∪ (1, + infinity)