Find the Domain Of $f \circ g$ Where $f ( x ) = \sqrt { x - 7 }$

question 16

Multiple Choice

Find the domain of $f \circ g$ where $f ( x ) = \sqrt { x - 7 }$ and $g ( x ) = x + 5$ .

• A) \([ - 5 , \infty )\)
• B) \([ 0 , \infty )\)
• C) \([ 7 , \infty )\)
• D) \([ - 2 , \infty )\)
• E) \([ 2 , \infty )\)

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