Question

explain the function onto?​

Answer 1

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In mathematics, a function f from a set X to a set Y is surjective (also known as onto, or a surjection), 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.

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Answer 2

Answer:

In mathematics, a function f from a set X to a set Y is surjective (also known as onto, or a surjection), 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.

In English A function f from A to B is called onto if for all b in B there is an a in A such that f(a) = b. That is, all elements in B are used.

Step-by-step explanation:

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