Use Properties of Logarithms to Condense the Logarithmic Expression $\log _ { 4 } ( x - 7 ) - \log _ { 4 } ( x + 1 )$

Multiple Choice

Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm
whose coefficient is 1. Where possible, evaluate logarithmic expressions.
- $\log _ { 4 } ( x - 7 ) - \log _ { 4 } ( x + 1 )$

A) $\log _ { 4 } \left( \frac { x - 7 } { x + 1 } \right)$
B) $\log _ { 4 } \left( \frac { x - 7 } { x - 1 } \right)$
C) $\log _ { 4 } - 8$
D) $\log _ { 4 } \left( x ^ { 2 } - 6 x - 7 \right)$