What is the average of and ?
!f(x)=x^{2}+2(https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/19070/gif.latex)
!g(x)=x-4(https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/19071/gif.latex)
Find !g(f(2))(https://vt-vtwa-assets.varsitytutors.com/vt-vtwa/uploads/formula_image/image/19069/gif.latex).