2 For each of the following sequences, state with a reason whether it is convergent, periodic or neither. Each sequence continues in the pattern established by the given terms.
- \(3 , \frac { 3 } { 2 } , \frac { 3 } { 4 } , \frac { 3 } { 8 } , \ldots\)
- \(3,7,11,15 , \ldots\)
- \(3,5 , - 3 , - 5,3,5 , - 3 , - 5 , \ldots\)