Question

Which link between two elements could you remove from the relation so that it becomes a function?

Answer 1

Number three can't have two outputs so remove it from b

Answer 2

Either (3,b) or (3,e) must be removed to form the above relation to be function.

Explanation:

Given the relation between the elements of domain and range. we have to remove the link between two elements so that relation becomes a function.

A function is a relation in which each element in domain set maps into only one element of range set i.e one element can never have two images in range set.

Here, the element 3 in domain set maps into two element b and e in range set. Therefore, to form a function one link must be removed either

f(3)=b or f(3)=e

Hence, either (3,b) or (3,e) must be removed to form the above relation to be function.