[" Let "f:N rarr N:f(x)=2x" for all "x in N" ."],[" Show that "f" is one-one and into."]

Let f : N to N : f(x) =2 x for all x in N Show that f is one -one and into.

Let f : N to N : f(x) =2 x for all x in N Show that f is one -one and into.

Let f : N to N : f(x) =2 x for all x in N Show that f is one -one and into.

Let f : N to N : f(x) =2 x for all x in N Show that f is one -one and into.

Let f : N to N : f(x) =2 x for all x in N Show that f is one -one and into.

Let f : N rarr N be defined as f(x) = 2x for all x in N , then f is

Let f : N rarr N be defined as f(x) = 2x for all x in N , then f is

Let f : N rarr N be defined by f(x)=x^(2)+x+1, x in N . Then f is

Let A be the set of all 50 students of class XII in a central school.Let f:A rarr N be a function defined by f(x)= Roll number of student x Show that f is one-one but not onto.

Let f:N rarr N be defined by f(x)=x^(2)+x+1,x in N. Then is f is