Final answer:
A mathematical function is a relationship between two sets of values, and it can be used to describe the connection between someone's occupation and their purpose. For example, the function Friends = Bob + Shawn + Margaret means that the person's purpose for having friends is to include Bob, Shawn, and Margaret in their social circle.
Step-by-step explanation:
A mathematical function is a relationship between two sets of values, often represented by equations. In the context of occupation and purpose, a function can be seen as a way to describe the connection between someone's job and their reason for doing it. For example, if we consider the function Friends = Bob + Shawn + Margaret, it means that the person's purpose or reason for having friends is to include Bob, Shawn, and Margaret in their social circle.