Find the specified term in each sequence using the geometric explicit formula

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

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

What is the prime factorization of 230