Answer
$B$
Work Step by Step
Compare with figure 39.
This graph is a reflection about the y-axis of
a logarithmic function with base greater than 1.
So if a function f was such that $f(x)=\log_{a}x$,
then this graph represents $f(-x)=\log_{a}(-x)$
The best choice offered is: $B,\ y=\log_{3}(-x)$