Domain Range Function Definition

In plain english this definition means.

Domain range function definition. A real valued function has either p or any one of its subsets as its range. The domain of a function is the complete set of possible values of the independent variable. Compare the two relations on the below.

Small sets of points are generally. If each number in the domain is a person and each number in the range is a different person then a function is when all of the people in the domain have 1 and only 1 boyfriend girlfriend in the range. When finding the domain remember.

In the example above the domain of f x f x is set a. In other words it s the set of all possible values of the independent variable. The range is the set of y values that are output for the domain.

If you are still confused you might consider posting your question on our message board or reading another website s lesson on domain and range to get another point of view. As a function table and as a set of coordinates. 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 of a function this is the set of output values generated by the function based on the input values from the domain set. All the values that go into a function. The domain and range of a function is all the possible values of the independent variable x for which y is defined.

The domain is the set of all possible x values which will make the function work and will output real y values. The domain is the set of x values that can be put into a function. Domain of a function this is the set of input values for the function.