Q)Let f:(4,6)-->(6,8) be a function defined by f(x)=x+ [x/2](where [.] denotes the greatest integer function),then f-1 is equal to a)x-[x/2] b)-x-2 c)x-2 d)1/(x+[x/2])Sir,plz solve this .
Q)Let f:(4,6)-->(6,8) be a function defined by f(x)=x+ [x/2](where [.] denotes the greatest integer function),then f-1 is equal to
a)x-[x/2] b)-x-2 c)x-2 d)1/(x+[x/2])
Sir,plz solve this .