Find the Domain of the Composite Function F∘g $f ( x ) = 2 x + 6 ; \quad g ( x ) = \sqrt { x }$

question 137

Multiple Choice

Find the domain of the composite function f∘g.
- $f ( x ) = 2 x + 6 ; \quad g ( x ) = \sqrt { x }$

• A) \([ 0 , \infty )\)
• B) \([ - 3 , \infty )\)
• C) \(( - \infty , - 3 ]\) or \([ 0 , \infty )\)
• D) \(( - \infty , \infty )\)

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