Find the domain and range for the functionf$($x$,$y$)=18$x$2+5$y$2.$

Question $9$ options:

Domain: all points in the$$ xy$-$plane except $(0,0)$; range: $(-$$,$ $)$

Domain: all points in the$$ xy$-$plane except $(0,0)$;range: $(0,$ $)$

Domain: all points in the$$ xy$-$plane;$$range: $(0,$ $)$

Domain: all points in the$$ xy$-$plane; range: $(-$$,$ $)$