Relations and F...

If y is expressed in terms of a variable x as Y = ƒ(x), then y is called

Let f : R →R defined as f(x) = x be an identity function. Then

Let A = {1, 2, 3} and B = {5, 6, 7, 8, 9} and let f(x) = {(1, 8), (2, 7), (3, 6)} then f is

In the mapping above, the function f₄  is an:

Let f : N →N  be defined by     for all n ∈ N.
Then, the function f is

A function f: R →R defined as f(x) = x⁴  is ​

A function f: X →Y is bijective if and only if ​

A function f: X →Y is injective if and only if

A function f: R →R defined as f(x) = 5x is ​

A function f: X →Y is surjective if and only if ​

The range of function f : R →R defined by f(x) = x²  is ​

Let f : R →R defined as f(x) = 5 be a constant function. Then ​

The function, f(x) = 2x - 1 is

Let f: {1, 2, 3} →{1, 2, 3} be an onto function. Then, f is ​

A function f: Z →Z defined as f(x) = x³  is ​