In exercises 1 to 5 , use the rule method to describe the following sets.
1. = {3,7,5,9,11,13}
2. = {−3, −2, −1,0,1,2,3}
3. The set Ζ of negative integers greater than −6
4. The set is the set of whose elements are numbers greater that 7 but less than 100
5. = {1, 4, 9, 16, 25}