If f(x)=x+2x−1f(x) = \frac{x + 2}{x - 1}f(x)=x−1x+2, what is the range of f(x)f(x)f(x)?
All real numbers except y=1y = 1y=1
All real numbers except y=0y = 0y=0
y>1y > 1y>1
All real numbers