Q73,Paper 3,j 13. A fuzzy set A on R is ________ iff A(λx1+ (1 – λ)x2) ≥min [A(x1), A(x2)] for all x1, x2∈R and all λ∈[0, 1], where min denotes the minimum operator.

(A) Support

 (B) α-cut

(C) Convex

(D) Concave.

Answer C.