Determine where the function is concave upward. 
Definitions:
Richmond
The capital city of the Commonwealth of Virginia in the United States, known for its rich history, particularly during the Civil War as the capital of the Confederacy.
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A phrase commonly used to encourage and emphasize the objective of achieving victory in a wartime scenario.
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A publication that contains news, information, and advertising, issued every day or weekdays.
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A military engagement between two or more armed forces or combatants, aiming to assert dominance or achieve specific objectives.
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