7. The temperature of a Starbuck's coffee after n minutes is given by T= 72(0.85) + 20. How long does it take for the coffee to cool to a temperature of 70°?

College Algebra
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ISBN:9781938168383
Author:Jay Abramson
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Chapter5: Polynomial And Rational Functions
Section5.1: Quardratic Functions
Problem 73SE: A ball is thrown in the air from the top of a building.Its height, in meters above ground, as a...
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(c) sketch the function on the grid provided.
7. The temperature of a Starbuck's coffee after n minutes is given by T = 72(0.85) + 20.
How long does it take for the coffee to cool to a temperature of 70°?
Transcribed Image Text:(c) sketch the function on the grid provided. 7. The temperature of a Starbuck's coffee after n minutes is given by T = 72(0.85) + 20. How long does it take for the coffee to cool to a temperature of 70°?
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