Suppose $f : \mathbf { N } \rightarrow \mathbf { N }$

question 31

Short Answer

Suppose $f : \mathbf { N } \rightarrow \mathbf { N }$ has the rule $f ( n ) = 4 n ^ { 2 } + 1$ . Determine whether $f$ is onto $\mathrm { N }$ .

---

Definitions:

Net Transfers

The difference between the total transfers into an economy, such as remittances and foreign aid, and the total transfers out.

Current Account Balance

The balance of trade between a country and its trading partners, reflecting the difference between exports and imports of goods and services.

Foreign Corporation

A company that is registered and operates in a country different from the country where it was incorporated, subject to the laws and regulations of the host country.