If `f(x)={(x",", "if x is rational "),(-x",","if x is irrational"):}`, then

If f (x)= [{:(x,,, "if x is rational"), (1-x,,," if x is irrational "):}, then number of points for x in R, where y =f (f (x)) discontinous is:

If f (x)= [{:(x,,, "if x is rational"), (1-x,,," if x is irrational "):}, then number of points for x in R, where y =f (f (x)) discontinous is:

If f:[0,1] rarr [0,1] be difined by f(x) = {(x," if x is rational"),(1-x," if x is irrational"):} then fof(x) is ............

If f:[0,1]to[0,1] is defined by f(x)={{:(x," if x is rational"),(1-x," if x is irrational"):} , then (fof)(x) is

If F:[0,1] to [0,1]" be defined by "f(x)={{:(,x,"if x is rational"),(,1-x,"if x is irrational"):}, then (fof) x is:

If f(x) = {{:(1, "if x is rational"),(-1, "If x is irrational"):}} , then f : R to R is :

Let f defined on [-5, 5] as f(x)={{:("x, if x is rational"),("-x, if x is irrational"):}, then f(x) is