A documentary is a film that 1. tells a nonfictional story about a person, topic, or event.
2. tells a fictional story about a person, topic, or event.
3. tells a story about fictional characters in a historical setting.
4. tells a story from the director’s own life.

1. the answer is nonfictional story about a person, topic, or event

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a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

step-by-step explanation: