Answer:
A domain is part of a function f if f is defined as a triple.
Step-by-step explanation:
A domain is part of a function f if f is defined as a triple (X, Y, G) where X is called the domain of f, Y its codomain, and G its graph. A domain is not part of a function f if f is defined as just a graph.
I hope this helps. I am sorry if you get this wrong.
