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what does domain mean in math terms. The domain of a functionis the set of its possible inputs ie the set of input values where for which the function is defined. When the function f x x2 is given the values x 123 then the domain is simply those values 123.
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How to use domain in a sentence. The set of all possible input values commonly the x variable which produce a valid output from a particular function. Especially a distinctive group of people with some shared interest.
It is quite common for the domain to be the set of all real numbers since many mathematical functions can accept any input.
An example of domain is a persons area of expertise such as mathematics. Usually domain means domain of definition but sometimes domain refers to a restricted domain. The domain relates to the colored discs from the example that just appeared in the last section and the range. A functions input is called the domain and a functions output is called the range.
