Use Rational Exponents to Write as a Single Radical Expression $\frac { \sqrt [ 8 ] { \mathrm { y } } } { \sqrt [ 9 ] { \mathrm { y } } }$

Multiple Choice

Use rational exponents to write as a single radical expression.
- $\frac { \sqrt [ 8 ] { \mathrm { y } } } { \sqrt [ 9 ] { \mathrm { y } } }$

A) $y$
B) $\frac { 1 } { \Gamma }$
C) $\sqrt [ 9 ] { \mathrm { y } ^ { 8 } }$
D) $\sqrt [ 72 ] { y }$ y