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Exercise 13 1. For each problem, find the average value of the function over the given interval. Give answer in exact value if applicable. (a)
Exercise 13 1. For each problem, find the average value of the function over the given interval. Give answer in exact value if applicable. (a) f(x) = 8x - 3+5e2-x, [0,2] [Ans: = (5 + 5e2) ] (b) f(x) = cos(2x) - sin (), [-7. ~] [Ans: - 2V2 3 TC 2. Find the average value of the function f (x) = 4x2 - x + 5 on [-2,3] and determine the value(s) of c in [-2,3] for which f (c) is equal to the average value of the function on 427 83 1+ 3 [-2,3]. Ans: C = 6 8Exercise 14 1 . An object starts from rest and has an acceleration of a (t) = t2. a) What is its velocity after 3 seconds? [Ans: 9] b) What is its position after 3 seconds? [Ans: - 2. A particle travels in a straight line so that, t seconds after passing a fixed point A on the line, its acceleration, a ms-2, is given by a =-2 - 2t. It comes to rest at a point B when t = 4. a) Find the velocity of the particle at A. b) Find the distance AB
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