How do you find the inverse of $g(x)=x-2$ ?

Question

3928 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-04-18T03:50:05

$g(x)=x+2$

$g(x)=x-2$ To find the inverse of an equation, switch the $y$ ( $g(x)$ in this case) and the $x$ .
$x=g(x)-2$ Now, solve for $g(x)$
$g(x)=x+2$

Note this is my vague recollection of Algebra II knowledge, not sure if it necessarily applies to Precalculus....

How do you find the inverse of g(x)=x-2g(x)=x-2?