Question

What are bijection and surjection functions
Please make it fast
I only need definitions

Answer 1

Answer:

bijection :mapping that is both one-to-one (an injection) and onto (a surjection), i.e. a function which relates each member of a set S (the domain) to a separate and distinct member of another set T(the range), where each member in T also has a corresponding member in S.

Step-by-step explanation:

surjection: mathematics, a function f from a set X to a set Y is surjective, if for every element y in the codomain Y of f, there is at least one element x in the domain X of f such that f(x) = y. It is not required that x be unique; the function f may map one or more elements of X to the same element of