Express as the Logarithm of a Single Expression $6 \log _ { b } x - \log _ { b } y$

Multiple Choice

Express as the logarithm of a single expression. Assume that variables represent positive numbers.
- $6 \log _ { b } x - \log _ { b } y$

A) $\log _ { b } x ^ { 6 } \div \log _ { b } y$
B) $\log _ { b } \frac { x ^ { 6 } } { y }$
C) $\log _ { b } \left( x ^ { 6 } - y \right)$
D) $\log _ { b } \frac { 6 x } { y }$