Create a improper fraction with the number 10 as the denominator

Given the graph below state whether or not the relation is a function, and give the domain and range.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?