The composite function formula is .
(Replace x for 3)
(At the function )
The value of the expression is 0.
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.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d314bfad3096e90b0242c9f5a8f708f6.png\")
(Replace x for 3)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6e852e0ed8d911bfb352974b3e418924.png\")
(At the function ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5282d3f54b0c135c1981204e579bfada.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8e59946d36d61f9af7551471ba5afe6c.png\")
(At the function ) ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")