Question: Note: Give exact answers where possible (for example, is exact but 3.142 is approximate). 10. [8 marks] If a Cup Of coffee has temperature 95

10. [8 marks] If a Cup Of coffee has temperature 95 oc

Note: Give exact answers where possible (for example, is exact but 3.142 is approximate).

10. [8 marks] If a Cup Of coffee has temperature 95 oc and is placed in a room where the temperature is 20 'C, then the temperature T Of the coffee after t minutes is modelled by T (t) = 20 + 75e What is the average temperature Of the coffee during the first half hour?

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