Question 319098
{{{f(x)=3x-1}}}
{{{g(x)=x^2+2}}}
{{{g(f)=f^2+2}}}
{{{g(f)=(3x-1)^2+2}}}
{{{g(f)=(9x^2-6x+1)+2}}}
{{{ highlight(g(f(x))=9x^2-6x+3) }}}