Question 327190
{{{g(x)= (12x^2)/(3x^2 +1)=12/(3+1/x^2)}}}
{{{lim(x->infinity,g(x))=12/(3+0)=12/3=4}}}
{{{highlight(y=4)}}}
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{{{graph(300,300,-10,10,-2,6,12x^2/(3x^2+1))}}}