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Specify the Domain Of (g∘f)(x)( g \circ f ) ( x )

Question 40

Multiple Choice

Specify the domain of (g∘f) (x) ( g \circ f ) ( x ) for the pair of functions f(x) =3xf ( x ) = 3 x and g(x) =8x−7g ( x ) = 8 x - 7 .


A) (−∞,0) ( - \infty , 0 )
B) (−∞,0) ∪(0,∞) ( - \infty , 0 ) \cup ( 0 , \infty )
C) (0,∞) ( 0 , \infty )
D) (−∞,∞) ( - \infty , \infty )
E) (−∞,0]( - \infty , 0 ]

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