Solve the problem.The temperature of water in a certain lake on a day in October can be determined by using the model
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 8 degrees? (Round to the nearest foot.)
A. 43 ft
B. 32 ft
C. 13 ft
D. 69 ft
Answer: C
Mathematics
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