Let f(x)=2x+3f(x) = 2x + 3f(x)=2x+3 and g(x)=x−1g(x) = x - 1g(x)=x−1. What is (g∘f)(x)(g \circ f)(x)(g∘f)(x)?
2x+22x + 22x+2
2x+42x + 42x+4
2x+12x + 12x+1
x+2x + 2x+2