Question

What is a function and why is it called that

Answer 1

a function is a process that associates to each element of a set X a single element of a set Y. ... In other words, for every x in X, there is exactly one element y such that the ordered pair (x, y) belongs to the set of pairs defining the function f. The set G is called the graph of the function

Answer 2

This

Step-by-step explanation:

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