Solve this : 9 . L e t f : 2 , 4 → 1 , 3 w h e r e f ( x ) = x - x / 2 w h e r e . d e n o t e s t h e g r e a t e s t i n t e g e r f u n c t i o n ) , t h e n f - 1 ( x ) i s ( A ) n o t d e f i n e d ( B ) x - 1 ( C ) x + 1 ( D ) n o n e o f t h e s e Share with your friends Share 0 Aarushi Mishra answered this f:2,4→1,3fx=x-x2We have2<x<41<x2<2⇒x2=1⇒fx=x-1Replace x by f-1xff-1x=f-1x-1x=f-1x-1f-1x=x+1 0 View Full Answer