What is (g\rcf)(x)(g \rc f)(x)(g\rcf)(x) if f(x)=x+2f(x) = x+2f(x)=x+2 and g(x)=3xg(x) = 3xg(x)=3x?
3x+63x + 63x+6
3x+23x + 23x+2
x+6x + 6x+6
4x+24x + 24x+2