If f(x)=2x+1f(x) = 2x + 1f(x)=2x+1 and g(x)=x−3g(x) = x - 3g(x)=x−3, what is the composite function (f∘g)(x)(f \circ g)(x)(f∘g)(x)?
2x - 5
2x - 2
2x - 4
x - 2