Perform the Requested Operation or Operations $$f ( x ) = \sqrt { 3 x + 4 } , g ( x ) = \sqrt { 4 x - 16 }$$

question 119

Multiple Choice

Perform the requested operation or operations. Find the domain of each.
- $$f ( x ) = \sqrt { 3 x + 4 } , g ( x ) = \sqrt { 4 x - 16 }$$
Find $f g$ .

• A) \(( 3 x + 4 ) ( 2 x - 4 )\); domain: \(( - \infty , \infty )\)
• B) \(( \sqrt { 3 x + 4 } ) ( \sqrt { 4 x - 16 } )\); domain: \([ 4 , \infty )\)
• C) \(( 2 x - 4 ) ( \sqrt { 3 x + 4 } )\); domain: \(\left[ - \frac { 4 } { 3 } , \infty \right)\)
• D) \(( 3 x + 4 ) ( 4 x - 16 )\); domain: \(( - \infty , \infty )\)

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