Question: Note: Give exact answers where possible (for example, 7 is exact but 3.142 is approximate). 10. [8 marks] If a cup of coffee has temperature

Note: Give exact answers where possible (for example, 7 is exact but 3.142 is approximate). 10. [8 marks] If a cup of coffee has temperature 95 C and is placed in a room where the temperature is 20 C, then the temperature T of the coffee after minutes is t modelled by T(t) = 20 + 75e \"50. What is the average temperature of the coffee during the first half hour

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