If `f: R to R ` be defined by `f(x) =(1)/(x), AA x in R.` Then , f is

If f : R rarr R be defined by f(x) = 1/(x) , AA x in R . Then , f is .........

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

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

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

Let f:R to R be the function defined by f(x) = (1)/(2-cos x), AA x in R. Then, find the range fo f .