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State whether or not the relation is a function. Assume that x represents the first coordinate.
Voltage Regulator
A device that maintains a constant voltage level to electrical equipment, protecting it from damage due to voltage fluctuations.
Linehaul Trucks
Trucks utilized for long-distance transportation of goods, usually between cities or over hundreds of miles, as part of the logistics chain.
Light Bulb Life
The expected operational lifespan of a light bulb, measured in hours, before it fails or significantly decreases in brightness.
Dry Graphite
A form of lubricant made from pure graphite that is used dry, without oil or grease, offering low friction and stable performance across a wide range of temperatures.
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