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 S (t) denote the ice sheet's thickness S (measured in meters) as a function of time t (measured in weeks). Write the function's formula.

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Zachery Hayes

6 June, 04:42

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Salma Buckley · Answer 1

Starting thickness=2 m or s

time take=3 weeks or t

ending thickness=1.25 m

amount melted=0.75 m

equation = 0.75=s-0.75=t