1. The set of first components in the ordered pair is called.

A.domain B.range C.relation D function

2. It is a relation in which every element in the domain is mapped exactly to one Element in the range.

A.domain B.range C.relation D.function

3. Which of the following kinds of corresponding is NOT a function.

A. one-to-one correspondence
B. Many-to one correspondence
C. One-to many correspondence
D. Many-to-many correspondence
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