Domain is considered the x-axis. So, to find the domain, one should to read the graph from left to right.
The domain consists of all values of x for which there is a point on the graph. Similarly, the range applies to all the y values.
If you can trace the graph without lifting your pencil then it is continuous.
You do not graph range and domain: you can determine the range and domain of a graph. The domain is the set of all the x-values and the range is is the set of all the y-values that are used in the graph.
Find the domain of the relation then draw the graph.
To find the Domain and range when given a graph is to take the x-endpoints and to y-endpoint. You know that Domain is your input and range your output. so to find the function when given the graph you simply look at your plot points and use yout domain and range. like so: Say these where your plot points (0,4) and (9,6) You know your domain is {0,9} and it would be written like so: 0<x<9 then noticing your range is {4,6} and it would be written like so: 4<y<6
Domain is the X-access on the graph
The practical domain is the domain by simply looking at the function. Whereas the mathematical domain is the domain based on the graph.
It depends on where the graph starts! It is often up to the user to decide on the domain when drawing a graph.
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Graph each "piece" of the function separately, on the given domain.