Question 963635

{{{g(x)=5/(x+3)}}} 

the domain:

denominator {{{(x+3)=0}}} if {{{x=-3}}},then function is undefined

so, domain is  

{ {{{x}}} element {{{R}}} : {{{x<>-3}}} }

or, in interval notation

 ({{{-infinity}}}, {{{-3}}}) U ({{{-3}}}, {{{infinity}}})