For the Partial Function $f : \mathbf { Z } \times \mathbf { Z } \rightarrow \mathbf { R }$

question 1

Short Answer

For the partial function $f : \mathbf { Z } \times \mathbf { Z } \rightarrow \mathbf { R }$ defined by $f ( m , n ) = \frac { 1 } { n ^ { 2 } - m ^ { 2 } }$ , determine its domain, codomain, domain of definition, and set of values for which it is undefined or whether it is a total function.

---

Definitions:

Supplier

A person or organization that provides goods or services to another entity, typically as part of a supply chain.

Cash

Currency and other liquid instruments in a financial system or on a company's balance sheet used for transactions or settling debts.

Inventory

The goods and materials that a business holds for the purpose of resale or production.

Credit

The trust which allows one party to provide money or resources to another party wherein the second party does not reimburse the first party immediately but promises either to repay or return those resources at a later date.