Mathematics, 06.05.2020 00:58 diwashkandel6pe02af

A lake near the Arctic Circle is covered by a 2-meter-thick sheet of ice during the cold winter months. When spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. After 3 weeks, the sheet is only 1.25 meters thick.
Let y represent the ice sheet's thickness (in meters) after x weeks.

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A lake near the Arctic Circle is covered by a 2-meter-thick sheet of ice during the cold winter mont...