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Find the Domain Of ff f(x)=x29f ( x ) = \sqrt { x ^ { 2 } - 9 }

Question 23

Multiple Choice

Find the domain of ff . f(x) =x29f ( x ) = \sqrt { x ^ { 2 } - 9 }


A) [3,) [ 3 , \infty )
B) (,3][3,) ( - \infty , - 3 ] \cup [ 3 , \infty )
C) (,3) (3,) ( - \infty , - 3 ) \cup ( 3 , \infty )
D) (3,3) ( - 3,3 )
E) [9,) [ 9 , \infty )

Correct Answer:

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