Observe the graph:
The graph is horizontal line that crosses the - axis at .
Therefore, the graph represents a constant function.
Its domain and range are all real numbers.
The graph represents a constant function.
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- axis at ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d9285d5a293c4e12028128b0fb74ba46.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")