Perform the Indicated Operations A) $\frac { 7 x ^ { 4 } } { 48 ( 9 x + 4 ) }$

Multiple Choice

Perform the indicated operations. Simplify if possible.
- $$\left( \frac { 9 x ^ { 2 } + 50 x - 24 } { 8 x - 16 } \cdot \frac { x ^ { 2 } - 2 x } { 81 x ^ { 2 } - 16 } \right) \div \frac { 6 x + 36 } { 7 x ^ { 3 } }$$

A) $\frac { 7 x ^ { 4 } } { 48 ( 9 x + 4 ) }$
B) $\frac { 48 } { 7 x ^ { 4 } ( 9 x + 4 ) }$
C) $\frac { 6 ( x + 6 ) ^ { 2 } } { 56 x ^ { 2 } ( 9 x + 4 ) }$
D) $\frac { 7 x ^ { 3 } } { 48 ( 9 x + 4 ) }$