An Object Is Moving Along a Straight Line

question 47

Multiple Choice

An object is moving along a straight line. The graph shows the object's position from the starting point as a function of time.

-At which time or times does the object reverse its direction of motion?

• A)1 s and 2 s
• B)2 s and 5 s
• C)1 s
• D)2 s
• E)5 s

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Definitions:

Exponential Smoothing

A time series forecasting method for univariate data that applies exponentially decreasing weights over past observations.

Weight

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The total volume or amount of alcoholic beverages sold within a given timeframe, often analyzed for economic or regulatory purposes.

Moving Averages

A statistical procedure used to analyze time series data by creating a series of averages of different subsets of the full data set.