Solve the following exercises and demonstrate or support the result.

Indicate whether the statement is true (C) or false (f):

Every relationship is a function. _____

Every function is a relationship. _____

The domain of a function is equal to the starting set. _____

If f from A to B is a relation and has a domain of f equal to the starting set, then f is always a function. _____

If f from A to B is a function, then the range of f is equal to the arrival set. _____