Find the Intersection of the Sets $$( - \infty , - 9 ] \cap ( - 7 , \infty )$$

Multiple Choice

Find the intersection of the sets. Write the answer in interval notation.
$$( - \infty , - 9 ] \cap ( - 7 , \infty )$$

A) $( - 9 , - 7 )$
B) $[ - 9 , - 7 )$
C) { }
D) $( - 9 , - 7 ]$