Domain is the set of numbers you can use
usually, domain=all real numbers except those that divide by zero
so find those exceptions
find what numbers make deonenator equal to 0 and exclude them
x-23 is denom
x-23=0
x=23
doman is all real numbers except 23
Answer:
I think its A.
Step-by-step explanation:
Where's the graph?? I can't answer if there's no graph. lol xD