Find a Formula for the Nth Term of the Arithmetic $a _ { n } = n + 2$

question 88

Multiple Choice

Find a formula for the nth term of the arithmetic sequence shown in the graph.
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• A) \(a _ { n } = n + 2\)
• B) \(a _ { n } = n + 1\)
• C) \(a _ { n } = n - 2\)
• D) \(a _ { n } = n - 1\)

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Definitions:

Cross Elasticity of Demand

An indicator of the responsiveness in the demand for a certain good to shifts in the price of a different good, demonstrating how substitutable or complementary these two goods are to one another.

Complementary Products

Goods that are consumed together, where the use or consumption of one product increases the demand for another.

Substitute Products

Products that can serve as replacements for one another; when the price of one increases, the demand for the other typically increases.

Cross Elasticity of Demand

A measure of how the quantity demanded of one good responds to a price change of another good, showing the interdependence of demands.