Math 1201 Learning Journal Unit 3

Math 1201 Learning Journal Unit 3
Reflect on the concept of polynomial and rational functions. 
What concepts (only the names) did you need to accommodate these concepts in your mind? 
What are the simplest polynomial and rational function you can imagine? 
In your day to day, is there any occurring fact that can be interpreted as polynomial and rational functions? 
What strategy are you using to get the graph of polynomial and rational functions?
Should be a minimum of 400 words and not more than 750 words.