Question

how to identify calling function and called function​

Answer 1

Answer:

• In mathematics, a function is a binary relation between two sets that associates each element of the first set to exactly one element of the second set. Typical examples are functions from integers to integers, or from the real numbers to real numbers. Wikipedia

Answer 2

Answer:

Calling a Function

When a program calls a function, the program control is transferred to the called function. A called function performs a defined task and when its return statement is executed or when its function-ending closing brace is reached, it returns the program control back to the main program.

Explanation:

Hope it may help you..