Let A be the set of all 50 students of Class X in a school. Let f : A → N be function defined by f(x) = roll number of the student x. Show that f is one-one but not onto.

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

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

Let A be the set of all 50 students of class X I I in a central school. Let f: A->N be a function defined by f(x)=Roll\ n umber\ of\ s t u d e n t\ x Show that f is one-one but not onto.

Let f:RtoR be a function defined by f(x)=(x-m)/(x-n) , where mnen . Then show that f is one-one but not onto.

Let f=NtoN be defined by f(x)=x^(2)+x+1,x inN , then prove that f is one-one but not onto.

Let the function f:R to R be defined by f(x)=cos x, AA x in R. Show that f is neither one-one nor onto.

Let the function f:R to R be defined by f(x)=cos x, AA x in R. Show that f is neither one-one nor onto.

Let f: R to R be a function defined as f (x) = 3x+ 7 , x in R . Show that f is an onto functions.

Let the function f:R→R be defined by f(x)=cosx,∀x∈R. Show that f is neither one-one nor onto

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