Perform the Requested Operation or Operations $$f ( x ) = 4 x + 8 , g ( x ) = 4 x ^ { 2 }$$

question 153

Multiple Choice

Perform the requested operation or operations. Find the domain of each.
- $$f ( x ) = 4 x + 8 , g ( x ) = 4 x ^ { 2 }$$
Find $( f + g ) ( x )$ .

• A) \(4 x + 8 + 4 x ^ { 2 }\); domain: \(( - \infty , \infty )\)
• B) \(4 x + 8 - 4 x ^ { 2 }\); domain: \(( - \infty , \infty )\)
• C) \(\frac { 4 x + 8 } { 4 x ^ { 2 } } ;\) domain: \(( - \infty , \infty )\)
• D) \(16 x ^ { 3 } + 32 x\); domain: \(( - \infty , \infty )\)

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