Plural form; multiple instances or results of extending known data or patterns to estimate unknown values or predict trends.
Plural of 'extrapolation,' derived from Latin 'extra' (beyond) + 'polatus' (estimated). Standard mathematical terminology.
When scientists present extrapolations about the future—like population growth or resource depletion—they usually show multiple versions based on different assumptions, because one extrapolation is risky but several show the range of possibilities.
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