Perform the Indicated Operations $$\left( \frac { x ^ { 4 } } { y ^ { - 8 } } \right) ^ { 1 / 4 }$$

Multiple Choice

Perform the indicated operations. Write the answer using only positive exponents. Assume all variables represent
positive real numbers.
- $$\left( \frac { x ^ { 4 } } { y ^ { - 8 } } \right) ^ { 1 / 4 }$$

A) $x y ^ { 1 / 2 }$
B) $x y ^ { 2 }$
C) $x y$
D) $\frac { x } { y ^ { 2 } }$