Fuzzy sets 26

0. Let A = {(x, frac(x)); x ≥ 0}X = R, frac(x) = x - ⌊x⌋
Which of the following statements is/are correct with respect to A?
1. It is not a fuzzy set.
2. It is a fuzzy set but, not normal and not convex.
3. It is a normal fuzzy set but not convex
4. It is a normal and convex fuzzy set.

Answer
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Option : C
Explanation :

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