# How do you find the domain of the function f(x)=3/(x+2)?

Mar 30, 2018

I tried this:

#### Explanation:

You need to avoid a division by zero; so you need that the denominator be different from zero, or:

$x + 2 \ne 0$

which means, rearranging:

$x \ne - 2$

Our domain will be all the real $x$ values EXCEPT $x = - 2$.