Question 909132
{{{f(x)=x+4}}}
{{{g(x)=(x-2)/3}}}
.
.
{{{f(g)=g+4}}}
{{{f(g)=(x-2)/3+12/3}}}
{{{f(g)=(x-2+12)/3}}}
{{{f(g)=(x+10)/3}}}
.
.
{{{g(f)=(f-2)/3}}}
{{{g(f)=(x+4-2)/3}}}
{{{g(f)=(x+2)/3}}}
{{{g(f(2))=(2+2)/3}}}
{{{g(f(2))=4/3}}}