Is the notation of the domain for
correct?:
D=R\(-infinity;0]
If the domain was: not 0, and nothing from -infinity to and with -2:
D=R\{0};(-infinity;-2]?
many thanks
The domain of ln is from (0, infinity) and domain of 1/x is
In order to determine the domain, we must compare the two possibilities. Due to ln, we know we can't have any negative values.
Therefore, we are left with (0,infinity).
But we could also use the rules of logs to say the domain is .
If we do this , then the domain changes.