# How do you find the domain of #y=(x-1) / (x-2)#?

##### 1 Answer

May 16, 2017

#### Explanation:

The denominator of y cannot be zero as this would make the function

#color(blue)"undefined".# Equating the denominator to zero and solving gives the value that x cannot be.

#"solve " x-2=0rArrx=2larrcolor(red)" excluded value"#

#rArr"domain is " x inRR,x!=2#