Posted by kim on .
find the domain of the following functions
f(x)=1/x+ 5/x3

pre calc 
Reiny,
I will assume you mean
f(x) = 1/x + 5/(x3)
the domain would be the set of all real numbers, except x=0 and x=3 
pre calc 
kim,
yes

pre calc 
kim,
so how do you write the domain as a equation

pre calc 
bobpursley,
domain:
x all real except x=0 and x=3