Answer
Domain: $(0,\infty)$
Asymptotes: $x=0$
No local extrema
Work Step by Step
We are given the function:
$$y=x+\ln x.$$
Graph the function.
The domain of the function is:
$$\text{domain}=(0,\infty).$$
The asymptotes are:
$$x=0.$$
There is no local extrema.
Domain: $(0,\infty)$
Asymptotes: $x=0$
No local extrema