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What is the domain and range for this graph?

What is the domain and range for this graph?-example-1
User Bradvido
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Informally, the domain is the set of all possible elements in a set for which there is one and only one output. In interval notation, the domain is (-4, ∞). I am assuming it continues on infinitely to the right because of the arrow. The range is [1, ∞). Here, you choose the lowest value on the graph, up to the highest one.
User Noisy Cat
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