The function is .
(Apply formula: )
In the above function exponential is in denominator, So the exponential is decay.
The function represents exponential decay.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ac1dd68a550f59033b4a21d6c889bed4.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=37293b8b10f5b9ccc1e0aa6e4108921c.png\")
(Apply formula: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2e5444b550857b6f7c1d2d513aceca2e.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a6dd662d76aee0b40bd70911a88f279e.png\")
is in denominator, So the exponential is decay.![\"\"](\"/userfiles/image/steps_images/solution.JPG\")