Fuzzy Weighted Average and Application 
In a Fuzzy set a prototypical element has a value
A fuzzy set wherein no membership function has its value equal to 1 is called ?
The membership values of the membership function are nor strictly monotonically increasing or decreasing or strictly monoronically increasing than decreasing?
The crossover points of a membership function are defined as the elements in the universe for which a particular fuzzy set has values equal to?
The region of universe that is characterized by complete membership in the set is called?