Determine which of the following function is an injective from the set of integers to the set of integers
A). f(n)=n^2 + 1,
B). f(n)=n^3
C). f(n)=n^3-4
4). f(n)=n/2
(Fixed na)
Patulong naman mga paps, ilang araw na kasi to napansin ko naka grayout lahat ng features dito sa typing section ko hindi ko magamit🥲 pa help naman any idea kung pano to ayusin? 🥲 ganyo lang siya di mapindot