Question 996005
.
F(x) ={{{ 1/sqrt(5+x)}}}.


The domain is the set of real numbers 


5+x > 0,


x > -5.


For similar problems on domain of functions see the lesson &nbsp;<A HREF=http://www.algebra.com/algebra/homework/Functions/Domain-of-a-function-which-is-the-square-root-of-a-rat-function.lesson>Domain of a function which is the square root of a rational function</A>&nbsp; in this site.