Does the following arrow diagram represent a function$?$ Justify your answer.

Does the following arrow diagram represent a function$?$ Justify your answer.

Does the following arrow diagram represent a function$?$ Justify your answer.

Does the following arrow diagram represent a function$?$ Justify your answer.

Does the adjacent arrow diagram represent a function$?$  If so, write its range.

The adjacent arrow diagram represents a relation. Represent the relation in the roster form. Is this relation a function$?$ Give reasons for your answer.

The adjacent arrow diagram represents a relation. List the pairs that satisfy the relation. Is this relation a function$?$ Also find the rule(relation) for the above correspondence.

Write the relation represented by the adjoining diagram, by listing the ordered pairs. State the domain, the co-domain and the range of the relation. Is the relation a function $?$