answersLogoWhite

0

Suppose the D and C are the domain and codomain of the function.

Then you need to show that for and x in D there is an image y = f(x) in C. This is necessarily so, because f is a function.

You also need to show that for every element y in C there is a pre-image x = g(y) in D.

User Avatar

Wiki User

8y ago

What else can I help you with?