$33-34$ Find $($a$)fg,($b$)f-g,($c$)fg,$ and $($d$)\frac{f}{g}$ and state their domains.

$33.f(x)=\sqrt[\phantom{2}]{25-x^2},g(x)=\sqrt[\phantom{2}]{x1}$

$34.f(x)=\frac{1}{x-1},g(x)=\frac{1}{x}-2$