Use the Product Rule to Multiply $\sqrt [ 3 ] { 3 } \cdot \sqrt [ 3 ] { 9 }$

Multiple Choice

Use the product rule to multiply. Assume all variables represent positive real numbers.
- $\sqrt [ 3 ] { 3 } \cdot \sqrt [ 3 ] { 9 }$

A) 27
B) $3 \sqrt [ 3 ] { 3 }$
C) 3
D) 9