If R is a relation from a set A to the set B and S is a relation from B to C, then the relation S o R
2. is from A to C
3. does not exist
4. None of these
(2) Since, R ⊂-A ×B and S⊂- B×C
We have S o R⊂- A×C.
S o R is a relation from A to C