Find each of the following functions and state their domains. (Enter the domains in interval notation.)
f(x)=\sqrt(5-x),g(x)=\sqrt(x^(2)-9)
(a)
f g
f g=
domain (b)
f-g
f-g=
domain (c)
fg
fg=
domain (d)
(f)/(g)
(f)/(g)=
domain