What are the properties of function?
Properties of function:
Definition of function: A function is a relationship between two sets of data, one input and the other output. A relation is said to be a function if and only if each of the input data is related to exactly one output data.
Properties:
2. A function is injective if no two elements in the domain map to the same element in the co-domain.
If then
3. A function is surjective if the range of is equal to the codomain of .
If there exisis such that
4. A function is bijective if it is both injective and surjective.