Let `f(x) = (x)/(1+|x|), x in R`, then f is

Let f(x)=(1)/(1+|x|) ; x in R the range of f is

Let f(x) = x - [x] , x in R then f(1/2) is

Let f: R rarr R be defined by f(x)= (1)/(x) AA x inR , then f is _______

Let f(x)=(x-[x])/(1+x-[x]),x in R, then the range of f is

Let f(x) = x-[x], x in R then f^(')(1/2) is

Let f : R-{1} to R be defined by f(x) =(1+x)/(1-x) AA x in R -{1} then for x ne +-1, (1+f(x)^(2))/(f(x)f(x^(2))) =………….

Let f:R to R be defined by f(x) = 1/x AA x in R , then f is ________

Let f(x)=x-[x],x in R, then f'((1)/(2)) is

Let f(x) be a continuous function such that f(0) = 1 and f(x)=f(x/7)=x/7 AA x in R, then f(42) is