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

question 209

Short Answer

Suppose $f : \mathbf { N } \rightarrow \mathbf { N }$ has the rule $f ( n ) = 3 n ^ { 2 } - 1$ \quad Determine whether $f$ is 1-1 .

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Definitions:

Economic Report

A document or publication that provides information and analysis about the economic conditions or trends.

Federal Budget

The government's estimate of revenue and spending for a fiscal year.

Urban Welfare Payments

Financial support provided by government programs to individuals and families in urban areas, aimed at helping them meet basic needs.

Budget Deficit

A financial situation where an entity's expenditures exceed its revenues over a specified period, prompting borrowing or use of saved reserves.