Write the Answer as a Single Term and Simplify $$( x + 3 ) ^ { 1 / 4 } + \frac { x } { 5 ( x + 3 ) ^ { 3 / 4 } }$$

Multiple Choice

Write the answer as a single term and simplify.
- $$( x + 3 ) ^ { 1 / 4 } + \frac { x } { 5 ( x + 3 ) ^ { 3 / 4 } }$$

A) $\frac { 5 + x } { 5 ( x + 3 ) ^ { 3 / 4 } }$
B) $\frac { 6 x + 15 } { 5 ( x + 3 ) ^ { 3 / 4 } }$
C) $1 + \frac { x } { 5 ( x + 3 ) ^ { 3 / 4 } }$
D) $\frac { 6 x + 3 } { 5 ( x + 3 ) ^ { 3 / 4 } }$