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

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Answer 1 · 2018-03-30T12:00:07

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

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

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