APPM 1340 Midterm: appm1340spring2013exam2_sol
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Instructions: please show all of your work and make your methods and reasoning clear. Answers out of the blue with no supporting work will receive no credit. No calculators, notes or electronic devices are allowed. Please start each new problem on a new page in your bluebook. To receive credit on this exam, you may only use the de nition of the derivative where appropriate. Please sign the front of your blue book indicating you read and understood these directions in addition to the cu honor code: (15 points) evaluate the following limits or explain why they don"t exist: (a) lim x 5. 3x 15 (b) lim x 0 x3(cid:19) x6 cos(cid:18) 1 (c) lim. (x 5) if x 5 0 if x 5 < 0 if x 5 if x < 5 we look at both one-sided limits: whereas lim x 5+
