Domain And Range Of A Function From A Graph
If you have the points 2 3 4 6 1 8 and 3 7 that relation would be a function because there is only one y value for each x.
Domain and range of a function from a graph. Keep in mind that if the graph continues beyond the portion of the graph we can see the domain and range may be greater than the visible values. A function is a relation where every domain x value maps to only one range y value. Another way to identify the domain and range of functions is by using graphs.
Because the domain refers to the set of possible input values the domain of a graph consists of all the input values shown on the x x axis. The range is all the values of the graph from down to up. Another way to identify the domain and range of functions is by using graphs.
The domain is all x values or inputs of a function and the range is all y values or outputs of a function. The range is the set of possible output values which are shown on the y axis.