MATH 126 Midterm: MATH 126 UW Midterm 2 Spring 11lovelessExIIH
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Total: you are allowed to use a scienti c calculator (no graphing calculators) and one hand-written 8. 5 by 11 inch page of notes. The correct answer with no supporting work may result in no credit. Guess and check methods are not su cient, you must use appropriate methods from class: unless otherwise indicated, your nal answer should be given in exact form whenever possible, cheating will not be tolerated. Keep your eyes on your exam: you have 50 minutes to complete the exam. Use your time e ectively, spend less than 10 minutes on each page and make sure to leave plenty of time to look at every page. Leave nothing blank, show me what you know! 1. (a) (6 pts) use the linear approximation to g(x, y) = value of g(0. 1, 0. 9). + exy at (0, 1) to approximate the (b) (8 pts) consider the surface f (x, y) = xy2 +x+2.
