Use the Properties of Logarithms to Expand the Expression as a Sum,difference,and/or

Multiple Choice

Use the properties of logarithms to expand the expression as a sum,difference,and/or constant multiple of logarithms.(Assume all variables are positive. ) ? $\log \sqrt [ 7 ] { \frac { x ^ { 2 } } { y ^ { 4 } } }$ ?

A) $\frac { 2 } { 7 } \log x - \frac { 4 } { 7 } \log y$
B) $\frac { 1 } { 14 } \log x + \frac { 1 } { 28 } \log y$
C) $\frac { 7 } { 2 } \log x + \frac { 7 } { 4 } \log y$
D) $14 \log x + 28 \log y$
E) $\frac { 2 } { 7 } \log x + \frac { 4 } { 7 } \log y$