The range of the function `f(x)=(x^2+x+2)/(x^2+x+1),x in R ,` is `(1,oo)` (b) `(1,(11)/7)` `(1,7/3)` (d) `(1,7/5)`

The range of the function f(x)=x^2+1/(x^2+1) is

The range of the function f(x)=x^2+1/(x^2+1) is

The range of the function f(x) = 3x^2+7x+10 is

The range of the function f(x)=tan^(- 1)((x^2+1)/(x^2+sqrt(3))) x in R is

The range of the function f(x)=(x^2-x)/(x^2+2x) is R (b) R-[1] (c) R={-1/2,1} (d) none of these

The range of the function f(x)=(x+2)/(|x+2|),\ x!=-2 is {-1,1} b. {-1,0,1} c. {1} d. (0,oo)

The range of the function f(x)=|x-1| is A. (-oo,0) B. [0,oo) C. (0,oo) D. R

Find the domain and range of the function f={(x :1/(1-x^2)): x in R , x!=+-1}dot

The interval of increase of the function f(x)=x-e^x+tan(2pi//7) is (a) (0,\ oo) (b) (-oo,\ 0) (c) (1,\ oo) (d) (-oo,\ 1)

The range of the function f(x)=x/(|x|) is a. R-{0} b. R-{-1,1} c. {-1,1} d. none of these