Question

if f is a function from set A to set B then set A is known as​

Answer 1

Step-by-step explanation:

Definition: A function f from a set A to a set B is called surjective or onto if Range(f) = B, that is, if b ∈ B then b = f(a) for at least one a ∈ A. Note: The digraph of a surjective function will have at least one arrow ending at each element of the codomain.

Answer 2

Answer:

C.

Step-by-step explanation:

C IS THE FUNCTION OF A.