Step-by-step explanation:
Domain of h(x) is
[tex]\Bbb{R}\backslash\{x=-3\}[/tex]
or equivalently,
[tex](-\infty,-3)\cap(-3,+\infty)[/tex]
since h(x) is undefined everywhere except when x=-3.
The range of f(x) is
[tex]\Bbb{R}[/tex]
or equivalently,
[tex](-\infty,+\infty)[/tex]