`f:R rarr R` defined by`f(x)=(x^(2)+x-2)/(x^(2)+x+1)` is:

f:R rarr R defined by f(x)=x^(2)+5

The function f:R rarr R defined as f(x)=(x^(2)-x+1)/(x^(2)+x+1) is

The function f:R rarr R defined as f(x)=(3x^(2)+3x-4)/(3+3x-4x^(2)) is :

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

The function f:R^(+)rarr(1,e) defined by f(x)=(x^(2)+e)/(x^(2)+1) is

Let f:R rarr R defined by f(x)=(x^(2))/(1+x^(2)) . Proved that f is neither injective nor surjective.

The function f:R rarr R ,defined as f(x)=(x^(2)-x-21)(x^(2)-x-39) .Which of the following is (are) correct?

The function f:R rarr R is defined by f(x)=(x-1)(x-2)(x-3) is