The function `f: NvecN(N` is the set of natural numbers) defined by `f(n)=2n+3i s` (a) surjective only (b) injective only (c) bijective (d) none of these

Let R be the set of real numbers. If f:R->R is a function defined by f(x)=x^2, then f is (a) injective but not surjective (b) surjective but not injective (c) bijective (d) none of these

The S.D for the set of the first 'n' natural numbers is

Show that f: RvecR defined by f(x)=(x-1)(x-2)(x-3) is surjective but not injective.

Check for one and onto.(i) f:NtoN define by f(n)=2n-17

Let A={x:xepsilonR-{1}}f is defined from ArarrR as f(x)=(2x)/(x-1) then f(x) is (a) Surjective but nor injective (b) injective but nor surjective (c) neither injective surjective (d) injective

Let f: R->R and g: R->R be two given functions such that f is injective and g is surjective. Then which of the following is injective? (a) gof (b) fog (c) gog (d) none of these

Let f be function f:N to N be defined by f(x)=3x+2, xin N . Identify the types of function.

The natural number a for which sum_(k=1,n) f(a+k)=16(2^n-1) where the function f satisfies the relation f(x+y)=f(x).f(y) for all natural numbers x,y and further f(1)=2 is:- A) 2 B) 3 C) 1 D) none of these

Let f be function f:N to N be defined by f(x)=3x+2, xin N . Find the images of 1, 2, 3

Let f be function f: N to N be defined by f(x)=3x+2, xinN . The pre-image of 29 of _____.