Question Number 110149 by mohammad17 last updated on 27/Aug/20
$${find}\:{the}\:{domain}\:{f}\left({x},{y}\right)={x}+\mathrm{4}\sqrt{{y}\:}\:? \\ $$
Commented by mohammad17 last updated on 28/Aug/20
$${are}\:{you}\:{can}\:{help}\:{me} \\ $$