H = 21 +979e-0.1t. (a) Find the temperature of the bar at the end of one hour. (Round your answer to the nearest degree.) °C (b) Find the average value of the temperature over the first hour. (Round your answer to the nearest degree.**) °C (c) Is your answer to part (b) greater or smaller than the average of the temperatures at the beginning and the end of the hour? The answer to part (b) is ---Select--than the average of the temperatures at the beginning and the end of the hour, because the graph is concave ** You may want to use the numerical integration tool https://www.zweigmedia.com/RealWorld/integral/integral.html -Select---

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