Raise to the Power or Find the Root $- \sqrt [ 4 ] { x ^ { 8 } }$

Multiple Choice

Raise to the power or find the root. Assume that all variables represent positive numbers. Write with only positive
exponents.
- $- \sqrt [ 4 ] { x ^ { 8 } }$

A) $- x ^ { 2 }$
B) $- 2 x$
C) $- x ^ { 3 }$
D) $- x ^ { 4 }$