State the$$Domain$$of$$ff$,$ i$.$e$.,$ the largest set on which the function$$f$($x$,$y$)=$ln$(3$x$2+$y$)$f$($x$,$y$)=$ln$(3$x$2+$y$)$is continuous.

Insert the correct condition in the set$-$builder notation below.

Be sure to use the clearest possible form for the condition. No parentheses should be needed in your condition.