Write the Domain of the Function in Interval Notation $$h ( a ) = \sqrt { 64 - a ^ { 2 } }$$

Multiple Choice

Write the domain of the function in interval notation.
- $$h ( a ) = \sqrt { 64 - a ^ { 2 } }$$

A) $[ - 8,8 ]$
B) $[ 8 , \infty )$
C) $( - \infty , - 8 ] \cup [ 8 , \infty )$
D) $( - 8,8 )$