Determine Which of the Numbers in the Set Below Are $\left\{ - 11,33 , \frac { 1 } { 11 } , 5.5 , - 4.25 \right\}$

Multiple Choice

Determine which of the numbers in the set below are rational. $\left\{ - 11,33 , \frac { 1 } { 11 } , 5.5 , - 4.25 \right\}$

A) $\left\{ \frac { 1 } { 11 } \right\}$
B) $\{ 5.5 , - 4.25 \}$
C) $\{ - 11,33 \}$
D) $\left\{ - 11,33 , \frac { 1 } { 11 } , 5.5 , - 4.25 \right\}$
E) none are rational