Mathematics

Mathematics

Problem

Define

g: \mathbb Z \to \mathbb Z

by

g(n)=\lfloor n/2 \rfloor

for every integer

n

. Which statement about

g

is correct? a)

g

is injective but not surjective b)

g

is bijective c)

g

is surjective but not injective d)

g

is neither injective nor surjective

Browse the problem library