Find the Domain of the Function $$f ( x ) = \frac { 1 } { x - 9 } + \frac { 4 } { x + 1 }$$

question 153

Multiple Choice

Find the domain of the function.
- $$f ( x ) = \frac { 1 } { x - 9 } + \frac { 4 } { x + 1 }$$

• A) \(( - \infty , - 1 ) \cup ( - 1,9 ) \cup ( 9 , \infty )\)
• B) \(( - \infty , \infty )\)
• C) \(( - \infty , - 1 ) \cup ( - 1 , \infty )\)
• D) \(( - \infty , 9 ) \cup ( 9 , \infty )\)

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