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19. The temperature of a cooling liquid over time can be modelled x 130 by the exponential function T(x) = 60/ + 20, where T(x) is the temperature, in degrees Celsius, and x is the elapsed time, in minutes. a) Graph the function. b) Determine how long it takes for the temperature to reach 28°C. c) Check the accuracy of your answer.

19. The temperature of a cooling liquid over time can be modelled x 130 by the exponential function T(x) = 60/ + 20, where T(x) is the temperature, in degrees Celsius, and x is the elapsed time, in minutes. a) Graph the function. b) Determine how long it takes for the temperature to reach 28°C. c) Check the accuracy of your answer.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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19. The temperature of a cooling liquid over time can be modelled x 130 by the exponential function 7(x) = 60 + 20, where T(x) is the temperature, in degrees Celsius, and x is the elapsed time, in minutes. a) Graph the function. b) Determine how long it takes for the temperature to reach 28°C. c) Check the accuracy of your answer.
Transcribed Image Text:19. The temperature of a cooling liquid over time can be modelled x 130 by the exponential function 7(x) = 60 + 20, where T(x) is the temperature, in degrees Celsius, and x is the elapsed time, in minutes. a) Graph the function. b) Determine how long it takes for the temperature to reach 28°C. c) Check the accuracy of your answer.
17. Solve 4* = 83 graphically. Check your answer
Transcribed Image Text:17. Solve 4* = 83 graphically. Check your answer
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19. The temperature of a cooling liquid over time can be modelled x 130 by the exponential function 7(x) = 60 + 20, where T(x) is the temperature, in degrees Celsius, and x is the elapsed time, in minutes. a) Graph the function. b) Determine how long it takes for the temperature to reach 28°C. c) Check the accuracy of your answer.
Transcribed Image Text:19. The temperature of a cooling liquid over time can be modelled x 130 by the exponential function 7(x) = 60 + 20, where T(x) is the temperature, in degrees Celsius, and x is the elapsed time, in minutes. a) Graph the function. b) Determine how long it takes for the temperature to reach 28°C. c) Check the accuracy of your answer.
17. Solve 4* = 83 graphically. Check your answer
Transcribed Image Text:17. Solve 4* = 83 graphically. Check your answer
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