Express as a Single Logarithm $28 \log _ { 7 } \sqrt [ 7 ] { x } + \log _ { 7 } \left( 28 x ^ { 6 } \right) - \log 728$

Multiple Choice

Express as a single logarithm.
- $28 \log _ { 7 } \sqrt [ 7 ] { x } + \log _ { 7 } \left( 28 x ^ { 6 } \right) - \log 728$

A) $\log _ { 7 } x^{ 10 / 7}$
B) $\log 7 x^{ 13 / 4}$
C) $\log _ { 7 } x ^ { 10 }$
D) $\log _ { 7 } \mathrm { x } ^ { 11 / 6 }$