MATH 104 Study Guide - Midterm Guide: Pythagorean Theorem, Maxima And Minima, Demand Curve

• School: UBC
• Department: Mathematics
• Course: MATH 104
• Professor: All

Document Summary

Midterm for math 104, section 101 : solutions. Show all your work; little or no credit will be given for a numerical answer without the correct accompanying work. If you need more space than the space provided, use the back of the previous page. Where boxes are provided for answers, put your nal answers in them. Midterms written in pencil will not be considered for regrading. Rules governing examinations: each candidate must be prepared to produce, upon request, a. Page 2 of 9: short answer questions [20 points]. Put your nal answer in the box provided, but. No credit will be given for the answer without the correct accompanying work. (a) [3 points] find dy dx when cos(xy) = x + y. Solution : we have, di erentiating implicitly, (cid:18) (cid:19) = 1 + dy dx and so dy dx.