[10 MARK QUESTION , Answer appropriately ]

( Note - I'm looking for short and correct and easy to understand answer , as I'm preparing for Examinations . At the same time , all the important points must be covered . it should be worth of getting 10 marks . for example- 10 important points is equal to 10 marks )

{ This question is exactly from the subject , " Derivatives Management " }

QUESTION -

HIGHLIGHT THE VARIOUS FUNCTIONS OF DERIVATIVES .