Assume That Variables Represent Positive Real Numbers $( \sqrt [ 4 ] { 2 x } ) ^ { 3 }$

Multiple Choice

Assume that variables represent positive real numbers. Replace the radical with rational exponents
- $( \sqrt [ 4 ] { 2 x } ) ^ { 3 }$

A) $( 6 \times ) ^ { 1 / 4 }$
B) $\left( 2 x ^ { 3 } \right) ^ { 1 / 4 }$
C) $( 2 \mathrm { x } ) ^ { 1 / 12 }$
D) $( 2 x ) ^ { 3 / 4 }$