Vocabulaire de l'immigration et fonction affine

Complete the sentences about immigration by choosing the correct word from the list: [migrant, ancestors, integration, diversity].

1. A person who moves from one country to another is called a __________.
2. Many people study their family history to learn more about their __________.
3. A society that includes people from different backgrounds shows great __________.
4. The process of becoming part of a new community is often called __________.

Math connection: If a local history museum archives documents, and the number of archives $A$ grows over time $t$ in years following the function $A(t) = 5t$, calculate the number of archives after $t = 4$ years.