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Find the interval(s) where the function is increasing and the interval(s) where it is decreasing.
Americans
Residents or citizens of the United States, often characterized by a diverse set of cultural, ethnic, and political backgrounds.
Years
Units of time equal to 365 days (or 366 days in a leap year), used to measure the passage of time.
Black Plague
A devastating global epidemic of bubonic plague that struck Europe and Asia in the mid-14th century, killing millions.
Pope Clemens VI
A 14th-century pontiff of the Catholic Church, known for his efforts to protect Jews during the Black Death and his patronage of the arts.
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