2(cid:17). (b) (6 points) use the linearization to approximate f(cid:0) 19. 20, 0. 51 (cid:1). (even if you are unsure of part (a) you should attempt part (b) using your answer from (a)) S when s = 2 and t = 1: (6 points) compute. Recitation instructor: fill in your name, etc. on this rst page, without fully opening the exam, check that you have pages 1 through 11, show all your work on the standard response questions. Include enough steps for the grader to be able to follow your work. Include words to clarify your reasoning: do rst all of the problems you know how to do immediately. Do not spend too much time on any particular problem. Academic honesty: do not open the exam booklet until you are instructed to do so, do not seek or obtain any kind of help from anyone to answer questions on this exam.