How to find domain and range using a graph

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Domain and Range

The best thing you can do is plot the graph and inspect it or convert it into a table of numerical values to find the range of possible outputs. With your plotted graph, you can either visually inspect it to see the range of y

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From Graph

Find the domain and range of the function f that has the following graph: Solution: We can see that the graph extends horizontally from -2 to 3, but the -2 is not included. Therefore, the domain is (-2, 3]. Also, we see that the graph

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3.3: Domain and Range

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Find domain and range from graphs

Finding the domain : In the given graph, the possible values of x (All the real values). Because there are spread horizontally on the x-axis. So, the domain (x) is in R. Finding the range : In the