A fuzzy set A on R is ________ iff A (?x1 + (1 - ?) x2) = min [A(x1), – McqOptions

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1.	A fuzzy set A on R is ________ iff A (?x1 + (1 - ?) x2) = min [A(x1), A(x2)] for all x1, x2 ? R and all ? ? [0, 1], where min denotes the minimum operator.
A.	Support
B.	a-cut
C.	Convex
D.	Concave
Answer» D. Concave

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