Question 319078
{{{f(x)=3x-1}}}
{{{g(x)=x^2+2}}}
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{{{f(g)=3g-1}}}
{{{f(g)=3(x^2+2)-1}}}
{{{f(g)=3x^2+6-1}}}
{{{highlight(f(g(x))=3x^2+5)}}}