Rewrite the Given Expression as a Single Logarithm $\log _{\mathrm{x}} \mathrm{x}+\log _{\mathrm{x}} \mathrm{y}$

Multiple Choice

Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1 .
- $\log _{\mathrm{x}} \mathrm{x}+\log _{\mathrm{x}} \mathrm{y}$

A) $\log _{x}(x+y)$
B) $\log _{x} x y$
C) $\log _{x} \frac{x}{y}$
D) $\log _{\mathrm{x}} \mathrm{x} \cdot \log _{\mathrm{x}} \mathrm{y}$