Answer: 36.
- A 24
- B 36
- C 64
- D 81
Correct answer: B. 36
Explanation: Surjections from 4 to 3 = 3! · S(4,3) = 6 · 6 = 36.
Concept context
Ordered pairs, Cartesian products, types of relations and functions, domain and range. Foundation for calculus and Class 12 algebra.