Simplify Assume That the Variables Are Positive $\sqrt { x ^ { 8 } }$

Multiple Choice

Simplify. Assume that the variables are positive. $\sqrt { x ^ { 8 } }$

A) $4 \sqrt { x ^ { 4 } }$
B) $x ^ { 4 }$
C) $x ^ { 6 }$
D) $4 x$
E) $4 \sqrt { x }$