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How do I find the domain n range of this graph​

How do I find the domain n range of this graph​-example-1
User Rich Moss
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Domain = {-3, 2}

Range = All real numbers

We can represent the range in interval notation as
(-\infty, \infty) which is basically saying
-\infty < y < \infty. The range is all real numbers due to the arrows meaning the graph extends up and down forever. So any y value is possible.

Notice with the domain we only have 2 valid x values -3 and 2. No other x values are allowed. Normally we use an interval of some kind to set up the domain, but we only have a set of values instead. The curly braces indicate "set".

User DBencz
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