Multiply the Radical Expressions and Simplify Your Answer $\sqrt { 9 } \cdot \sqrt { 8 }$

Multiple Choice

Multiply the radical expressions and simplify your answer.
- $\sqrt { 9 } \cdot \sqrt { 8 }$

A) $\sqrt { 17 }$
B) $6 \sqrt { 2 }$
C) $36 \sqrt { 2 }$
D) $2 \sqrt { 6 }$