Use the Properties of Exponents to Simplify $\frac { 9 ^ { 3 / 4 } } { 9 ^ { 1 / 4 } }$

Multiple Choice

Use the properties of exponents to simplify. Write with positive exponents.
- $\frac { 9 ^ { 3 / 4 } } { 9 ^ { 1 / 4 } }$

A) $\frac { 1 } { 3 }$
B) $\frac { 1 } { 2 }$
C) 3
D) 9