b. A spherical metal ball with initial temperature of 190°C is placed outside where the temperature is 38°C. The temperature of the spherical metal ball dropped to 110°C at 3:10 PM , and at 3:15 PM, the metal ball's temperature goes down to 90°C. At what time was the spherical metal ball brought outside? When will its temperature be 60°C?

Calculus: Early Transcendentals
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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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b. A spherical metal ball with initial temperature of 190°C is placed outside
where the temperature is 38°C. The temperature of the spherical metal ball
dropped to 110°C at 3:10 PM , and at 3:15 PM, the metal ball's temperature
goes down to 90°C. At what time was the spherical metal ball brought outside?
When will its temperature be 60°C?
Transcribed Image Text:b. A spherical metal ball with initial temperature of 190°C is placed outside where the temperature is 38°C. The temperature of the spherical metal ball dropped to 110°C at 3:10 PM , and at 3:15 PM, the metal ball's temperature goes down to 90°C. At what time was the spherical metal ball brought outside? When will its temperature be 60°C?
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