Relax

Respuesta :

Answer:

All Real x (x not = 9).

Step-by-step explanation:

When x = 9,  f(x) =  9/0 which is undefined.

So the Domain is All Real x, x not = 9.

Answer:

Find the domain by finding where the expression is defined.

Interval Notation: (− ∞,0)∪(0,∞)

Set-Builder Notation:{x|x≠0}

Step-by-step explanation: