Question

La X= 1,2,3,4). Determine which of the following relations are functions from x to x
i) f = (0,1),(2,3), (3,4), (4,1))
ii) f, = {(3,1),(4,2), (1,1)}
111) f, = {(1,4), (2,3), (2,1), (3,2), (4,4)} iv) f, = {(2,1),(3,4), (1,4). (4,4)).​

Answer 1

Step-by-step explanation:

4th relation only a function. please check it. kindly reply for it.