A pot of tea is heated to 100°C. A cup of the tea is poured into a mug and taken outside where the temperature is 20°C. After 2 minutes, the temperature of the cup of tea is approximately 65°C. a. Determine the value of the proportionality constant, k b. Write a function for the temperature of the tea in the mug, T, in °C, as a function of time, t, in minutes. c. Graph the function, T

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