Answer: neither injective nor surjective.
- A injective only
- B surjective only
- C bijective
- D neither injective nor surjective
Correct answer: D. neither injective nor surjective
Explanation: It is not one-one (f(−1) = f(1)) and not onto (negatives are never attained), so neither.
Concept context
Ordered pairs, Cartesian products, types of relations and functions, domain and range. Foundation for calculus and Class 12 algebra.