Question

Answer the following:

Identify the following relation is the function? If it is a function determine its domain and range

{(12, 1), (3, 1), (5, 2)}

Answer 1

{(12, 1), (3, 1), (5, 2)}

Every element of set A has been assigned a unique element in set B.

∴ Given relation is the function

Domain = {12, 3, 5}, Range = {1, 2}