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

Multiple Choice

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

A) $\frac { 1 } { y }$
B) $y ^ { 3 / 4 }$
C) $\mathrm { y } ^ { 1 / 2 }$
D) $\mathrm { y }$