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AP Calculus AB/BC
Time (often represented as 't') refers to the continuous progression of events from past through present and into future. It provides a framework for measuring durations and sequences of events.
An interval represents a specific duration or period of time between two points or events.
Duration: Duration measures how long something lasts or continues over a period of time.
Instantaneous: Something that is instantaneous occurs in an extremely short amount of time, almost like a single moment.