If `f: R rarr R and f(x)=x((2^x-2^-x)/(2^x+2^-x))` is

If f:R rarr R and f(x)=(2x)/(2x^(2)+1) then find f(f((1)/(2)))

f:R rarr R defined by f(x)=(x^(2)+x-2)/(x^(2)+x+1) is

f:R rarr R defined by f(x)=x^(2)+5

f:R rarr R defined by f(x)=(x^(2)+x-2)/(x^(2)+x+1) is:

The function f:R rarr R defined as f(x)=(x^(2)-x+1)/(x^(2)+x+1) is

The function f:R rarr R defined as f(x)=(x^(2)-x+1)/(x^(2)+x+1) is

If f: R rarr R is defined by f(x)=(x)/(x^(2)+1) find f(f(2))

Let f:r rarr R, where f(x)=2^(|x|)-2^(-x) then f(x) is

If f : R rarr R is defined by f(x) = {((x+2)/(x^(2)+3x+2), x in R-{-1,-2}),(-1, x=-2),(0, x = -1):} then f is continuous on the set