Let `f(x) = (x^(2))/((1+x^(2))` .Then range (f ) =?

Let f(x) =(1)/((1-x^(2)) . Then range (f )=?

Let R be the set of real numbers and let f:RtoR be a function such that f(x)=(x^(2))/(1+x^(2)) . What is the range of f?

let f(x)=cos^(-1)((x^(2))/(1+x^(2))) the range of f is

Let f:R rarr R be defined as f(x)=(x^(2)-x+4)/(x^(2)+x+4). Then the range of the function f(x) is

Let f(x) = (x)/((x^(2) -1)) Then dom (f ) =?

Let f(x)= cos^(-1)((x^(2))/(x^(2)+1)) . Then , the range of the f , is

f(x)=x/(1+x^(2)) . Find range of f(x).

Let f(x) =x^(2). Then dom (f ) and range (f ) are respectively

Let f(x)=4cos sqrt(x^(2)-(pi^(2))/(9)) Then the range of f(x) is

Let f(x) = x^(3). Then, dom (f ) and range (f ) are respectively