When is 2/(x-1) defined?

2 Answers
Aug 8, 2018

(2/(x-1)) is defined at every point except when x=1

Explanation:

Anytime the denominator is 0, the graph is undefined

The only time it is not defined is when x=1

Aug 8, 2018

I tried this:

Explanation:

It is defined for all the Real x except for x=1 because in this case the denominator becomes zero and we cannot find a Real number solution of 2/0.