In 26 and 27 find and , and state how and are related.
Let , and . Define and by the arrow diagrams below.
To find , and explain how are related.
Let . Define by the arrow diagrams below.
A function is said to be one to one function if the element in domain must be mapped with distinct
Element in codomain.
A function is onto function if element in codomain is mapped with element in domain.
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