Answer:
D) all real numbers except x = 6
Step-by-step explanation:
If there is a solid line or dot at an x value, then it is included in the domain. Since there are open dots at x = 6, that means it is not included in the domain. With that being said, the domain can be written as:
(-∞, 6)∪(6, ∞)
Hope this helps!
