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18 June, 09:06

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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  1. 18 June, 11:24
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    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
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