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Find the Specified Domain (fg)(x)( f g ) ( x )

Question 226

Multiple Choice

Find the specified domain.
-Find the domain of (fg) (x) ( f g ) ( x ) when f(x) =2x−9f ( x ) = \frac { 2 } { x - 9 } and g(x) =−3x−5g ( x ) = - 3 x - 5


A) (−∞,∞) ( - \infty , \infty )
B) (−∞,5) ∪(5,∞) ( - \infty , 5 ) \cup ( 5 , \infty )
C) (−∞,9) ∪(9,∞) ( - \infty , 9 ) \cup ( 9 , \infty )
D) (−∞,−9) ∪(−9,∞) ( - \infty , - 9 ) \cup ( - 9 , \infty )

Correct Answer:

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