Question 1116531
(f ∘ g)(x) 

{{{6(x+3)^2-2(x+3)-1}}}
{{{6(x^2+6x+9)-(2x+6)-1}}}
.
.
(unfinished)



(g ∘ f)(x)

{{{6x^2-2x-1+3}}}
{{{highlight(6x^2-2x+2)}}}



Domain of both is all real numbers.