Function Domain And Range Definition

The output values are called the range.

Function domain and range definition. In this example domain is 2 1 4 while range is 3 domain. 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. The domain of a function is the complete set of possible values of the independent variable.

All the values that go into a function. It means the output value in a function depends upon each member of domain. To find the range of a function first find the x value and y value of the vertex using the formula x b 2a.

Domain of a function this is the set of input values for the function. How to make a table of values on the ti89. In plain english this definition means.

In the example above the range of f left x right is set b. The domain and range of a function is all the possible values of the independent variable x for which y is defined. In the example above the domain of f left x right is set a.

Range of a function this is the set of output values generated by the function based on the input values from the domain set. When functions are first introduced you will probably have some simplistic functions and relations to deal with usually being just sets of points. The domain of a function is all the possible input values for which the function is defined and the range is all possible output values.

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. Domain rarr function rarr. When finding the domain remember.