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

question 32

Multiple Choice

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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