Question 314402
{{{g(x)=x^2-1}}}
{{{g(-1)=(-1)^2-1=0}}}
{{{f(g(-1))=f(0)=3(0)=0}}}
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{{{f(-1)=3(-1)=-3}}}
{{{g(f(-1))=g(-3)=(-3)^2-1=9-1=8}}}