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Domain and Range of a Function

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1 Use the graph to find a reasonable estimate of f(-2). Graph is included in the attached document.
2 What is the domain of f (x)
3 What is the range of f (x)
4 Explain why f represents the graph of a function

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Solution Summary

Domain and range of a function is found. Two more questions regarding the graph of the same function has been answered as well.

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