Rationalize the Denominator and Simplify $\frac { 9 } { \sqrt [ 3 ] { y } }$

Multiple Choice

Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
- $\frac { 9 } { \sqrt [ 3 ] { y } }$

A) $9 \mathrm { y }$
B) $\frac { 9 \sqrt [ 3 ] { y } } { y }$
C) $\frac { 9 \sqrt [ 3 ] { y ^ { 2 } } } { y }$
D) $9 \sqrt [ 3 ] { \mathrm { y } ^ { 2 } }$