![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Observe the graph, the graph of the function represents a parabola.
\The parent function is square function ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6f3cc9fb5ffd9867927491a7fda3141f.png\")
.
The parabola opens upward.
\The graph of ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6f3cc9fb5ffd9867927491a7fda3141f.png\")
shifted up ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d1622611fc88fa0fbe88f093bcb90f93.png\")
units.
Therefore, the function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2eabaae4de36a5a614f407dfe6289c8d.png\")
.
Option "A" is correct.
\![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
Option "A" is correct.