The logarithmic function is
The natural logarithmic function: .
The function is defined only if .
The domain of the function is
.
Find the - intercept by substituting
in given function.
Substitute in
.
The - intercept is
.
The function has vertical asymptote at
.
Thus, vertical asymptote is
Graph the . \ \
The domain of the function is
.
The - intercept is
.
Vertical asymptote is