Examlex
Name the first three isotopes of hydrogen, write their symbols in standard notation, and
indicate which one is the most common and which one is the most unstable.
Piecewise Function
A mathematical function defined by different expressions over different intervals of the input variable.
Cellular Phone Service
A communication service provided by telecommunication companies that allows the use of mobile phones.
Piecewise Function
A mathematical function defined by multiple sub-functions, each applying to a certain interval of the overall domain.
Water Meter
A device used to measure the volume of water usage in residential, commercial, or any other building for the purpose of billing and monitoring.
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