Perform the Indicated Operations and Write the Result in Standard $$\sqrt { - 49 } + \sqrt { - 81 }$$

Multiple Choice

Perform the indicated operations and write the result in standard form.
- $$\sqrt { - 49 } + \sqrt { - 81 }$$

A) $16 i$
B) $- 16 \mathrm { i }$
C) $63 \mathrm { i }$
D) $- 16$