Answer
See graph, domain $(-\infty,\infty)$ and range $\{...-2,-1,0,1,2,... \}$
Work Step by Step
Step 1. Graph the function as shown in the figure.
Step 2. Identify the domain as $(-\infty,\infty)$ and range as $\{...-2,-1,0,1,2,... \}$
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