Find the Domain of the Vector Function $\mathbf { r } ( t ) = \left\langle 8 \sqrt { t } , \frac { 1 } { t - 9 } , \ln t \right\rangle$

Find the domain of the vector function $\mathbf { r } ( t ) = \left\langle 8 \sqrt { t } , \frac { 1 } { t - 9 } , \ln t \right\rangle$ .

A) $( 0,9 ) \cup ( 9 , \infty )$
B) $[ 0,8 ) \cup ( 8,9 ) \cup ( 9 , \infty )$
C) $( 0,8 ) \cup ( 8 , \infty )$
D) $( 0,8 ) \cup ( 8,9 ) \cup ( 9 , \infty )$

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