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function, office, duty, province mean the acts or operations expected of a person or thing. function implies a definite end or purpose or a particular kind of work.

Now that you know that $ is the name of the function, if you are using the jQuery library, then you are calling the function named $ and passing the argument function() {} into it.

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Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output.

Each type of function follows its own rule for how inputs turn into outputs. Let’s walk through the most common types you will encounter, along with where you might see them in real life.

As a result, a function can be thought of as a well-behaved relation. So for a quick summary, if you see any duplicates or repetitions in the x x -values, the relation is not a function.

Some common synonyms of function are duty, office, and province. While all these words mean "the acts or operations expected of a person or thing," function implies a definite end or …