Mathematics, 08.01.2020 08:31 evryday2285

The temperature of water in a certain lake on a day in october can be determined by using the model y=15.2-0.537x where x is the number of feet down from the surface of the lake and y is the celsius temperature of the water at that depth. based on this model, how deep in the lake is the water 9 degrees? (round to the nearest foot.) a. 12 c. 67 b. 45 d. 30

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