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mathinsight.org/function_examples

Basic examples of functions illustrating the definition of a function. A function is a mapping from a set of inputs (the domain) to a set of possible outputs (the codomain).The definition of a function is based on a set of ordered pairs, where the first element in each pair is from the domain and the second is from the codomain. But, a metaphor that makes the idea of a function easier to ...

A function-- and I'm going to speak about it in very abstract terms right now-- is something that will take an input, and it'll munch on that input, it'll look at that input, it will do something to that input. And based on what that input is, it will produce a given output. What is an example of a ...

www.mathsisfun.com/sets/function.html

If it crosses more than once it is still a valid curve, but is not a function. Some types of functions have stricter rules, to find out more you can read Injective, Surjective and Bijective. Infinitely Many. My examples have just a few values, but functions usually work on sets with infinitely many elements.

sentence.yourdictionary.com/function

Function Sentence Examples. Exportable technology can function around the world. In the sense he can function but the memory is probably gone for good. But that, too, is a function of present technology. She didn't understand how humans could feel so much and still function when she was overwhelmed.

www.mathworks.com/help/matlab/examples/function-functions.html

This example shows how to use the output of one MATLAB® function as an input to another. This ability to specify a function's output as an input of another function serves a wide variety of purposes. Here we illustrate its use for finding zeros, optimization, and integration.

support.office.com/en-us/article/IF-function-69AED7C9-4E8A...

The IF function is one of the most popular functions in Excel, and it allows you to make logical comparisons between a value and what you expect. So an IF statement can have two results. The first result is if your comparison is True, the second if your comparison is False. For example, =IF(C2 ...

en.wikipedia.org/wiki/Function_(mathematics)

In mathematics, a function was originally the idealization of how a varying quantity depends on another quantity. For example, the position of a planet is a function of time. Historically, the concept was elaborated with the infinitesimal calculus at the end of the 17th century, and, until the 19th century, the functions that were considered were differentiable (that is, they had a high degree ...

www.w3schools.com/python/python_functions.asp

A function is a block of code which only runs when it is called. You can pass data, known as parameters, into a function. A function can return data as a result. Information can be passed to functions as parameter. Parameters are specified after the function name, inside the parentheses. You can add ...