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Situation 1 A cup of coffee (temperature = 186°F) is placed in a room whose temperature is 70°F. After five minutes, the temperature of the coffee has dropped to 156°F. How many more minutes must elapse before the temperature of coffee is 125°F?

Situation 1 A cup of coffee (temperature = 186°F) is placed in a room whose temperature is 70°F. After five minutes, the temperature of the coffee has dropped to 156°F. How many more minutes must elapse before the temperature of coffee is 125°F?

Calculus: Early Transcendentals
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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Learning Activity 3.4. Hot and Cold. Solve the following problems. Situation 1 A cup of coffee (temperature = 186°F) is placed in a room whose temperature is 70°F. After five minutes, the temperature of the coffee has dropped to 156°F. How many more minutes must elapse before the temperature of coffee is 125°F? Situation 2 A cold beer initially at 35°F warms up to 40°F in 3 min while sitting in a room of temperature 70°F. How warm will the beer be if left out for 20 min?
Transcribed Image Text:Learning Activity 3.4. Hot and Cold. Solve the following problems. Situation 1 A cup of coffee (temperature = 186°F) is placed in a room whose temperature is 70°F. After five minutes, the temperature of the coffee has dropped to 156°F. How many more minutes must elapse before the temperature of coffee is 125°F? Situation 2 A cold beer initially at 35°F warms up to 40°F in 3 min while sitting in a room of temperature 70°F. How warm will the beer be if left out for 20 min?
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