The height h(A) of a fuzzy set A is defined as h(A) =sup A(x) where x belongs to A. Then the fuzzy set A is called normal when

The height h(A) of a fuzzy set A is defined as h(A) =sup A(x) where x

1.	The height h(A) of a fuzzy set A is defined as h(A) =sup A(x) where x belongs to A. Then the fuzzy set A is called normal when
A.	h(A)=0
B.	h(A)<0
C.	h(A)=1
D.	h(A)>1
Answer» D. h(A)>1