On What Intervals Is the Polynomial $p ( x ) = 2 x ^ { 3 } - 15 x ^ { 2 } + 36 x + 50$

question 148

Essay

On what intervals is the polynomial $p ( x ) = 2 x ^ { 3 } - 15 x ^ { 2 } + 36 x + 50$ concave down? Concave up?

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Floating Exchange Rate

A currency system where the value of a currency is allowed to fluctuate according to the foreign exchange market.

Fixed Exchange Rate

A currency system in which the value of a country's currency is tied to the value of another single currency, a basket of other currencies, or another measure of value, such as gold.

Trade Barriers

Trade Barriers are government-imposed restrictions on the free exchange of goods and services between countries, including tariffs, quotas, and subsidies.

Free Trade

An economic policy of not discriminating against imports from and exports to foreign jurisdictions, allowing goods to move freely across borders.