" The function "f:N rarr N" defined as "f(x)=x^(2)+x+1

Prove that the function f:N rarr N, defined by f(x)=x^(2)+x+1 is one-one but not onto

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)=(x^(2)-x+1)/(x^(2)+x+1) is

Prove that the function F:N rarr N, defined by f(x)=x^(2)+x+1 is one-one but not onto.

Prove that the function f:N rarrN defined by f(x)=x^2 +x+ 1 is one -one but not onto.

Prove that the function f: N rarr N , defined by f(x)=x^2+x+1 is one-one but not onto.

Prove that the function f:N rarr N defined by f(x)=x^2+2 is one-one but not onto.

The function f:N rarr N defined by f(x)=x-5[(x)/(5)] where N is a set of natural numbers,then

If the function f:R rarr A defined as f(x)=sin^(-1)((x)/(1+x^(2))) is a surjective function, then the set A is

If the function f:R rarr A defined as f(x)=sin^(-1)((x)/(1+x^(2))) is a surjective function, then the set A is