Let ` f(x) =(1)/( x+1) `Domain of y is :

Let f(x)=(x)/(1+|x|) Domain of f(x) is-

The maximum value of f(x) , if f(x) + f ((1)/(x)) = (1)/(x) , x in domain of f

Let f(x) = (1)/(2) [f( xy ) + f((x)/(y)) ]AA x, y in R ^(+) such that f(1) = 0, f^(1) (1)=2 Now answer the following f(x) - f(y ) =

Let f(x)=(sqrt(x-2sqrt(x-1)))/(sqrt(x-1)-1).x then (a)domain of f(x) is x ge 1 (b)domain of f(x) is [1,infty)-{2} ?(c)f'(10)=1(d)f'(3/2)=-1

The domain of f(x)= (1)/( x^2 +1) is

Let f(x)=(sqrt(x-2(sqrt(x-1))))/(sqrt(x-1)-1)x then: (a) f'(10)=1( b) f'((3)/(2))=-1( c) domain of f(x) is x>=1( d) range of f(x) is (-2,-1)uu[2,oo]

Let f be defined by: f(x) = sqrt(x-ln(1+x)) . The domain of f is

Let (f(x+y)-f(x))/(2)=(f(y)-1)/(2)+xy , for all x,yinR,f(x) is differentiable and f'(0)=1. Domain of log(f(x)), is

Let (f(x+y)-f(x))/(2)=(f(y)-1)/(2)+xy , for all x,yinR,f(x) is differentiable and f'(0)=1. Domain of log(f(x)), is