Express as the Logarithm of a Single Expression $\log _ { \mathrm { b } } \mathrm { u } + \log _ { \mathrm { b } } \mathrm { v }$

Multiple Choice

Express as the logarithm of a single expression. Assume that variables represent positive numbers.
- $\log _ { \mathrm { b } } \mathrm { u } + \log _ { \mathrm { b } } \mathrm { v }$

A) $\log _ { 2 b }$ uv
B) $\log _ { b } u v$
C) $\log _ { b } ( u + v )$
D) $\log _ { \mathrm { b } } \frac { \mathrm { u } } { \mathrm { v } }$