Let A = {1, 2, 3, 6, 12, 18} and R be defined by xRy if and only if x|y.
a) Draw the digraph of R. Below are images you can use to create the diagraph. You may copy/paste the arrow and alter the directions and length as needed.
![2048_Digraph of R.jpg](https://secure.tutorsglobe.com/CMSImages/2048_Digraph%20of%20R.jpg)
b) Draw the Hasse diagram of R. Below are images you can use to create the diagraph. You may copy/paste the images and alter the directions and length as needed.
![62_Hasse diagram of R.jpg](https://secure.tutorsglobe.com/CMSImages/62_Hasse%20diagram%20of%20R.jpg)
c) Give a subset of B of A that is linearly ordered with respect to R and contains at least three elements.