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A function, in mathematics, associates one quantity, the argument of the function, also known as the input, with another quantity, the value of the function, also known as the output. A function assigns exactly one output to each input. The argument and the value may be real numbers, but they can also be elements from any given set. An example of a function is f(x) = 2x, a function which associates with every number the number twice as large. Thus 5 is associated with 10, and this is written f(5) = 10.

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Q: What is the definition of function rule?
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Related questions

How do you write rule for a function?

You can write them any way you like, as long as the basic definition of "function" is maintained. Basically, this means that the function must be defined uniquely defined for every input.


How do you do the chain rule of two multiples in order to find a derivative?

Chain Rule Definition: Use the chain rule to find the derivative of the composite of two functions--the derivative of the "outside" function multiplied by the derivative of the "inside" function. I am not the best in calculus so you might want to check out some chain rule example videos from the links.


What is the definition of function in math?

A function is a rule which assigns to each object in a set A exactly one object in a set B. The set A is called the domain and the set B is called the range. The function is denoted as the letter f.


What is the function of a meter rule?

Measurement of length.


How do you you rewrite a rule as a function?

You need to give an example of the rule and the function you want.


An equation that describes a function?

a function rule


What is the relationship of a domain and a function?

A function is a rule that assigns a single value to each element in a domain.A function is a rule that assigns a single value to each element in a domain.A function is a rule that assigns a single value to each element in a domain.A function is a rule that assigns a single value to each element in a domain.


Definition of majority rule?

The official definition for majority rule is "the principle that the greater number should exercise greater power."


What a function rule?

As you get to harder and higher analysis of functions, it's not required. A function rule, apparently, is an equation that represents a function. A function, properly defined, is its graph. A graph is a subset of a plane, where it's the set of all points (a, b), and for every value a, f(a) = b is the definition of a function. So you can get a plane, squible some lines that's not over lapping, you get a function. How the HELL do you get an equation for that? Hence, the function is kinda useless? No! Function equations can help us making analysis of those that does have one. In terms of derivatives, limits etc.


Python keyword indicates the start of a function definition?

The word "def", short for definition starts a function.


Why does a function only have one output?

That is the definition of a function.


Why is every function a relation?

That is part of the definition of a function.