Let f be the function defined by f(x) = e cos(x) (a) Find the average rate of change on the interval 0 ≤ x ≤ π. 3π (b) What is the slope of the tangent of the graph at x = 2 -? (c) Find the absolute minimum value of f on the interval 0 ≤ x ≤ 27. Justify your answer.

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