Use the graph to answer the prompts below. The graphs x-axis ranges from 0 to 10, and the y-axis ranges from 0 to 10.

Part A
Determine whether the graph above represents a proportional relationship. Give two pieces of evidence that support your answer.

Respond in the space provided.

Question 2
Part B
When extended, does the ray pass through the point $\left(18,\ 30\right)$ ? Justify your answer.

Respond in the space provided.