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?

Let f: R->R \ w h e r e \ f(x)=(x^2+4x+7)/(x^2+x+1) . Is f(x) \ on e \ on e ?

Let f: R->R \ w h e r e \ f(x)=(x^2+4x+7)/(x^2+x+1) . Is f(x) \ on e \ on e ?

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

Assertion Let f:R→R , f(x) = x^3+x^2+3x+sinx f(x) is one-one. Reason f(x) is decreasing function.

Assertion Let f:R→R , f(x) = x^3+x^2+3x+sinx f(x) is one-one. Reason f(x) is decreasing function.

Let f : R to 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 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