MATH 111 Midterm: MATH 111 Amherst F14M111 2805 29Velleman

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Wednesday 19 december: you have 3 hours for this exam, you may not use books, notes, calculators, cell phones or any other aids, you must explain your answers clearly and completely to get full credit. If the question tells you to use a particular method or de nition, then you must use it in order to get credit: answers involving sine, cosine or tangent of angles that are multiples of , . 6: there are 11 questions and the total number of points available is 150. Name: (5 points each) for each of the following limits, either evaluate it, show it equals + or. , or show it does not exist: (a) lim x 2 x2 + 3x + 2 x2 + 4x + 4 (b) lim x 2. 2x 2 x 2 (c) lim x . 5x 3x2: (5 points) show how to use the limit laws and continuity to calculate lim x 1 x2 cos(1 x2).