Write the Logarithmic Expression as a Single Logarithm with Coefficient $\log \left( 7 y ^ { 5 } - 6 y ^ { 3 } \right) + \log y ^ { - 3 }$

Multiple Choice

Write the logarithmic expression as a single logarithm with coefficient 1, and simplify as much as
possible.
- $\log \left( 7 y ^ { 5 } - 6 y ^ { 3 } \right) + \log y ^ { - 3 }$

A) $\log \left( 7 y ^ { 5 } - 6 y ^ { 3 } - 3 y \right)$
B) $\log \left( 7 y ^ { 2 } - 6 \right)$
C) $\log \left( \frac { 7 } { 6 y } \right)$
D) $\log \left( 7 y ^ { 5 } - 6 y ^ { 3 } + \frac { 1 } { y ^ { 3 } } \right)$