Answer: Reflexive and transitive but not symmetric.
- A Symmetric and transitive only
- B Neither reflexive nor transitive
- C Reflexive and transitive but not symmetric
- D An equivalence relation
Correct answer: C. Reflexive and transitive but not symmetric
Explanation: a ≤ a holds and the relation chains, but a ≤ b does not give b ≤ a unless they are equal - this is a partial order.
Concept context
Types of relations, equivalence classes, one-one and onto functions, composition, and invertible functions