Write the Domain of the Rational Function in Interval Notation $$k ( x ) = \frac { x ( x + 7 ) } { x ( x - 12 ) ( x + 7 ) }$$

question 102

Multiple Choice

Write the domain of the rational function in interval notation. $$k ( x ) = \frac { x ( x + 7 ) } { x ( x - 12 ) ( x + 7 ) }$$

• A) \(( - \infty , 12 ) \cup ( 12 , \infty )\)
• B) \(( - \infty , - 7 ) \cup ( - 7,0 ) \cup ( 0,12 ) \cup ( 12 , \infty )\)
• C) \(( - \infty , - 7 ) \cup ( - 7,0 ) \cup ( 0 , \infty )\)
• D) \(( - \infty , \infty )\)

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