An Arithmetic Sequence Is Given

question 7

Multiple Choice

An arithmetic sequence is given. Find the common difference and write out the first four terms.
-{5n + 9}

• A) d = 9; 5, 14, 19, 24
• B) d = 5; 14, 19, 24, 29
• C) d = 9; 14, 19, 24, 29
• D) d = 5; 5, 14, 19, 24

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Definitions:

Long-run Phillips Curve

A concept suggesting that in the long term, there is no trade-off between inflation and unemployment, implying the curve is vertical at the natural rate of unemployment.

Inflation Rate

A percentage-based uplift in the cost of goods and services within an economy over a designated timeframe.

Zero-inflation

A situation where the price level of goods and services remains constant over time, indicating an absence of inflation in the economy.

Phillips Curve

An economic concept that describes an inverse relationship between rates of unemployment and corresponding rates of inflation, suggesting that higher inflation is associated with lower unemployment and vice versa.