Question: All answers cannot contain any decimal points. Problem #8: Suppose that the temperature of a cup of coffee t minutes after it is poured is

All answers cannot contain any decimal points.

Problem #8: Suppose that the temperature of a cup of coffee t minutes after it is poured is given by 7(t) = 26 +71e , where k = Find the average temperature of the coffee during the first 21 minutes after it is poured. Enter your answer Problem #8: symbolically, as in these examplesProblem #9: Evaluate the following integrals. (a) 4 rell dx 0 () In x Enter your answer Problem #9(a): symbolically, as in these examples Enter your answer Problem #9(b): symbolically, as in these examples

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