The domain and range of a function is all the possible values of the independent variable x for which y is defined.
Define range in math function.
The example below shows two different ways that a function can be represented.
As a function table and as a set of coordinates.
A graph of a typical line such as the one shown below will extend.
The domain of a function is the complete set of possible values of the independent variable.
Domain rarr function rarr range example.
When functions are first introduced you will probably have some simplistic functions and relations to deal with usually being just sets of points.
When finding the domain remember.
The range of a function is all the possible values of the dependent variable y.
By definition the range is the set of all the outputs of a function so to find the range we simply list the outputs 6 4 2 0 2 4 6.
The domain is the set of all possible x values which will make the function work and will output real y values.
Domain and range of a function definitions of domain and range domain.
Essentially the range tells us how spread apart a group of numbers is.
The set of all output values of a function.
Essentially the range tells us how spread.
In 4 6 9 3 7 the lowest value is 3 and the highest is 9 so the range is 9 3 6.
The range is the difference between the lowest and highest numbers in a data set.
These won t be terribly useful or interesting functions and relations but your text wants you to get the idea of what the domain and range of a function are.
Range can also mean all the output values of a function.
In plain english this definition means.