Question

How do you find the domain of `f(x)= 1/ (x+1)`?

Answer 1

The domain is `RR` except -1. `RR-{-1}` in set notation

Explanation:

Why?. Because `f(-1)=1/0` doesn't exists.

Remember: the domain of a function is a set of values of `x` for which `f(x)` exists