Express as the Logarithm of a Single Expression $\log _ { 5 } 42 - \log _ { 5 } 6$

Multiple Choice

Express as the logarithm of a single expression. Assume that variables represent positive numbers.
- $\log _ { 5 } 42 - \log _ { 5 } 6$

A) $\log _ { 5 } 42$
B) $\log _ { 5 } 7$
C) $\log _ { 5 } 36$
D) $\log _ { 5 } 252$