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

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) $( - \infty , \infty )$

Correct Answer:

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