![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
Observe the graph:
\a. Find the end behavior.
\![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cc01d43b42cdf024766a374fe1eaec3c.png\")
Thus, leading coefficient is positive.
\b. Degree of the function.
\Since end behavior is in same direction, it is even degree polynomial function.
\c. Find the number of real zeros.
\There are two ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8da2268e35b6b6daab9c47f71c4c8bf4.png\")
-intercepts and it has two real zeros.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
End behavior is in same direction and it is even degree function and it has two real zeros.