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There are three relations R1,R2 and R3 s...

There are three relations `R_1,R_2` and `R_3` such that `R_1 = {(2,1),(3,1),(4,2), R_2 = {(2,2),(2,4),(3,3),(4,4)}` and `R_3 = {(1,2),(2,3),(3,4),(4,5),(5,6),(6,7)}` Then,

A

`R_1` and `R_2` are functions

B

`R_2` and `R_3` are functions

C

`R_1` and `R_3` are functions

D

Only `R_1` is a function

Text Solution

Verified by Experts

The correct Answer is:
C
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