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