State the domain and range of the following graphs.

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State the domain and range of the following graphs. Express each domain using interval notation and express each range using set-builder notation.

I think I'm beginning to understand using interval notation and set builder notation, but I'm still having trouble with the endpoints.

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1 Answer

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ignoramus was right; your only mistake was not using square brackets in the domain of the first graph. The domain and range of a graph are nothing more than all the $x$- and $y$-values, respectively, that the graph includes, so everything else is correct.

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