31. Heating water. The time t, in minutes, needed to allow a cup of cold water placed in a room to warm to I degrees Celsius is given by 15 t(T) = 50 ln( 10 < T< 25. 25 – T) a) Find t(15) and t'(15), and explain what each num- ber represents. b) What is the water's temperature after 1 hr?
31. Heating water. The time t, in minutes, needed to allow a cup of cold water placed in a room to warm to I degrees Celsius is given by 15 t(T) = 50 ln( 10 < T< 25. 25 – T) a) Find t(15) and t'(15), and explain what each num- ber represents. b) What is the water's temperature after 1 hr?
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section: Chapter Questions
Problem 33CT
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