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.) OA. 30 feet 45 feet OC. 67 feet OD. 12 feet B.

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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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.)
OA. 30 feet
B. 45 feet
C. 67 feet
OD. 12 feet
Transcribed Image Text: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.) OA. 30 feet B. 45 feet C. 67 feet OD. 12 feet
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