Let `f: R->R` where, `f(x)=(x^2+4x+7)/(x^2+x+1)` Is `f(x)` one-one?

Let f:R rarr R where,f(x)=(x^(2)+4x+7)/(x^(2)+x+1) Is f(x) one-one?

Let f:R,rarr R where f(x)=(x^(2)+4x+7)/(x^(2)+x+1)* Is f(x) one one?

f:R rarr R where f(x)=(x^(2)+3x+6)/(x^(2)+x+1), then f(x) is

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

Let f: R to R be defined by f(x) = 5^(2x)/(5^(2x) + 5) , then f(x) + f(1-x) is equal to

Let f:R to R be defined as f (x) =( 9x ^(2) -x +4)/( x ^(2) _ x+4). Then the range of the function f (x) 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 : R->R be a function defined by f() =(x^2-3x+4)/(x^2+3x+4)then f is (1) one-one but not onto (2) onto but not one -one (3) onto as well as one- one (4) neither onto nor one- one

Let f: R-{-1}->R-{1} be given by f(x)=x/(x+1) . Write f^(-1)(x) .

Let f : R to R be defined by f(x) = x^(3) + x^(2) + 5x + 2 sin x , Then