Question

Write the following intervals in set builder form

(i)[12,∞)
(ii) (6, 10]
(iii)(-∞,7)
(iv) [-4,2)​

Answer 1

Answer:

The intervals inn the set are as follows :

1. {12,13,14,15,16,17,18____} it goes on
2. {7,8,9,10}
3. {___ ,4,5,6,}
4. {-4,-3,-2,-1,0,1,}

NOTE:

' [ ' or ' ] ' means included

' ( ' or ' ) ' means not included or excluded

Hope you understand