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

Question 224

Multiple Choice

Find the specified domain.
-Find the domain of (fg) (x) ( f - g ) ( x ) when f(x) =2xx5f ( x ) = \frac { 2 x } { x - 5 } and g(x) =5x+1g ( x ) = \frac { 5 } { x + 1 }


A) (,) ( - \infty , \infty )
B) (,1) (1,5) (5,) ( - \infty , - 1 ) \cup ( - 1,5 ) \cup ( 5 , \infty )
C) (,5) (5,2) (2,) ( - \infty , - 5 ) \cup ( - 5 , - 2 ) \cup ( - 2 , \infty )
D) (,5) (5,1) (1,) ( - \infty , - 5 ) \cup ( - 5,1 ) \cup ( 1 , \infty )

Correct Answer:

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