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 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 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 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: XtoY be a function defined by f(x) =asin(x+(pi)/4) + bcosx + c. If f is both one-one and onto, find set X and Y.

A function f:RrarrR be defined by f(x) = 5x + 6, prove that f is one-one and onto.

Let f:N rarr Z be a function defined as f(x)=x-1000. Show that f is an into function.

Let N be the set of natural numbers and f : N->N be a function given by f(x)=x+1 for x in N.Which one of the following is correct? a. f is one-one and onto b. f is one-one but not onto c. f is only onto d. f is neither one-one nor onto

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

Let f:X rarr Y be a function defined by f(x)= a sin (x+(pi)/(4))+ c.If f is both one-one and onto,then find the set X and Y

Let f:R rarr R be a function defined by f(x)=|x] for all x in R and let A=[0,1) then f^(-1)(A) equals