Let `f` be a function defined by `f(xy)=(f(x))/(y), AA x, y in R^(+)` .If `f(30)=20` .Then `f(40)=`

Let f:R rarr R be a function such that f(x+y)=f(x)+f(y),AA x,y in R

Let f:R rarr R be a function given by f(x+y)=f(x)f(y) for all x,y in R .If f'(0)=2 then f(x) is equal to

Let f:R to R be the function defined by f(x)=2x-3, AA x in R. Write f^(-1).

Let f:R rarr R be a function which satisfies f(x+y)=f(x)+f(y) AA x, y in R . If f(1)=2 and g(n)=sum_(k-1)^((n-1))f(k),n in N then the value of n , for which g(n)=20 , is :

Let f : R to R be a function given by f(x+y) = f(x) + f(y) for all x,y in R such that f(1)= a Then, f (x)=

Let a real valued function f satisfy f(x+y)=f(x)f(y)AA x,y in R and f(0)!=0 Then g(x)=(f(x))/(1+[f(x)]^(2)) is

A function f:R rarr R^(+) satisfies f(x+y)=f(x)f(y)AA x in R If f'(0)=2 then f'(x)=

If f:R rarr R be a differentiable function such that f(x+2y)=f(x)+f(2y)+4xy, AA x,y in R , f(2)=10 , then f(3)=?

If f(x+y)=f(xy) AA x, y epsilon R, and f (2013) =2013 , then f(-2013) equals

Let f(x+y)+f(x-y)=2f(x)f(y)AA x,y in R and f(0)=k, then