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

question 75

Multiple Choice

Specify the domain of $( g \circ f ) ( x )$ for the pair of functions f ( x ) = 2 x + 3 and g ( x ) = x 2 + 9.

• A) \(( - \infty , \infty )\)
• B) \(( - \infty , 0 )\)
• C) \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• D) \(( 0 , \infty )\)

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