If f(x)=2xf(x) = \frac{2}{x}f(x)=x2 and g(x)=3x−1g(x) = 3x - 1g(x)=3x−1, what is (g∘f)(x)(g \circ f)(x)(g∘f)(x)?
3(2x)−13(\frac{2}{x}) - 13(x2)−1
3x−1\frac{3}{x - 1}x−13
23x−1\frac{2}{3x - 1}3x−12
6x−1\frac{6}{x} - 1x6−1