Let f(x)=1x−2f(x) = \frac{1}{x - 2}f(x)=x−21 and g(x)=x+3g(x) = x + 3g(x)=x+3. What is (f∘g)−1(1)(f \circ g)^{-1}(1)(f∘g)−1(1)?
-2
2
-4
4