All constant functions are bijections.

Is the reciprocal function a bijection ?

Let A be any non-empty set. Then, prove that the identity function on set A is a bijection.

Let A be any non-empty set. Then, prove that the identity function on set A is a bijection.

Let A be any non-empty set.Then,prove that the identity function on set A is a bijection.

Which of the following functions from Z into Z are bijections ?

Which of the following functions from Z into Z are bijections ?

If the following functions functions are defined from [-1, 1] to [-1, 1], select those which are not bijective.

If f: R rarr R be a function defined by f(x)=4 x^3-7 , show that the function f is a bijective function.