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

Question 148

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) $( - 9 , - 7 ]$

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