Find the Domain of the Rational Function $h ( t ) = \frac { 10 t ^ { 2 } } { t ^ { 2 } - 4 t - 45 }$

question 135

Multiple Choice

Find the domain of the rational function. $h ( t ) = \frac { 10 t ^ { 2 } } { t ^ { 2 } - 4 t - 45 }$

• A) \(( - \infty , 0 ) \cup ( 0 , \infty )\)
• B) \(( - \infty , \infty )\)
• C) \(( - \infty , - 5 ) \cup ( - 5,0 ) \cup ( 0 , \infty )\)
• D) \(( - \infty , 0 ) \cup ( 0,9 ) \cup ( 9 , \infty )\)
• E) \(( - \infty , - 5 ) \cup ( - 5,9 ) \cup ( 9 , \infty )\)

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