Find the Domain of the Rational Expression $f ( x ) = \frac { 3 x - 5 } { x ^ { 2 } - 49 }$

question 68

Multiple Choice

Find the domain of the rational expression.
- $f ( x ) = \frac { 3 x - 5 } { x ^ { 2 } - 49 }$

• A) \(\{ x \mid x\) is a real number and \(x \neq 7 \}\)
• B) \(\{ x \mid x\) is a real number and \(x \neq 49 \}\)
• C) \(\{ x \mid x\) is a real number and \(x \neq 7 , x \neq - 7 \}\)
• D) \(\left\{ x \mid x \right.\) is a real number and \(\left. x \neq \frac { 5 } { 3 } \right\}\)

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