![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Observe the graph:
\The graph intersects the ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8da2268e35b6b6daab9c47f71c4c8bf4.png\")
–axis at ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ccc2b0787562eefd3ae9aa84d6e41851.png\")
and ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=23256ce47f06b1794bcffe20a95ef639.png\")
.
Thus, this could be the graph of function in choice ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=52257f1605fb2b790995dd69987af2c6.png\")
or ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=397fa06c87524875a08b8582b661eb47.png\")
.
The graph has three turning points.
\ So, the function could represent the graph of function who degree is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2a06887749c014f55973fb0163eb3e52.png\")
.
A function of degree is four has four zeros.
\ The graph could be the answer .
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The graph shown becorrect answer .