\
The function is
.
\
At
,
the function
is
\
\
Using the graphing calculator keystrokes :
.
\
.
\
The value of
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=eac3e4ffe3cabb965a2a8089eccef48c.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=418ba3716898e78e3ba5fd4b2950b2dc.png\")
, the function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3b7000978ced49fdcb2a21141ea648ae.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1cc25a752df79495c441f78910f856af.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c7cb9f5416f694a23503dfc40a8b2e80.png\")
.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c7cb9f5416f694a23503dfc40a8b2e80.png\")
.