Evaluate the Logarithm $\log _ { 7 } \left( \frac { 1 } { 7 } \right)$

Multiple Choice

Evaluate the logarithm.
- $\log _ { 7 } \left( \frac { 1 } { 7 } \right)$

A) 1
B) $- 1$
C) 0
D) 7