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

question 65

Multiple Choice

Specify the domain of $( g \circ f ) ( x )$ for the pair of functions $f ( x ) = \sqrt { x + 9 } \text { and } g ( x ) = 5 x + 9$

• A) \(( - \infty , 9 ]\)
• B) \([ 0 , \infty )\)
• C) \(( - \infty , \infty )\)
• D) \([ - 9 , \infty )\)

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