WeBWorK : Kostelich_MAT_272_Fall_2016 : Section_12.5 : 3 9/18/16, 9:22 PM Logged in as tcheung1. WeBWorK (/webwork2) Log Out ! (/webwork2/Kostelich_MA (http://www.maa.org) eectiveUser=tcheung1&user=tcheung1&key=S7r webwork (/webwork2/?user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9) / kostelich_mat_272_fall_2016 (/webwork2/Kostelich_MAT_272_Fall_2016/? Courses user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9) (/webwork2/) / Homework Sets section_12.5 (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/? (/webwork2/Kostelich_MAT_272_Fall_2016/? user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9) key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9&eectiveUser=tcheung1&user=tcheung1) /3 MAIN MENU " Section 12.5 (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/? key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9&eectiveUser=tcheung1&user=tcheung1) Problem Section 12.5: Problem 3 3 (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/3/?Previous (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/2/? user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9) user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9&displayMode=MathJax&showOldAnswers=1) User Settings Problem List (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/? user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9&displayMode=MathJax&showOldAnswers=1) (/webwork2/Kostelich_MAT_272_Fall_2016/options/? key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9&eectiveUser=tcheung1&user=tcheung1) Next (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/4/? user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9&displayMode=MathJax&showOldAnswers=1) (/webwork2/Kostelich_MAT_272_Fall_2016/grades/? Grades user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9) y x + , where y z x = e3t , y = 2 + sin(5t) , and z = 2 + cos(5t). (1 point) Suppose w Problems = 1. Use the chain rule to find dw as a function of x, y, z, and t. Do not rewrite x, y, and z in terms of t, and dt Problem 1 do not rewrite e3t as x . (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/1/? key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9&user=tcheung1&eectiveUser=tcheung1) dw = Problem 2 dt (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/2/? Note: Your answer should be an expression in x, y, z, and t; e.g. "3x - 4y + 2t" eectiveUser=tcheung1&user=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9) # Problem 3 dw when 2. Use part 1. to evaluate (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/3/? t = 0. dt eectiveUser=tcheung1&user=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9) # Problem 4 (/webwork2/Kostelich_MAT_272_Fall_2016/Section_12.5/4/? user=tcheung1&eectiveUser=tcheung1&key=S7r60rQQ7n8MCTveVl5uKRoVwu4869A9) Note: You can earn partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining. Email instructor Page generated at 09/18/2016 at 09:21pm MST WeBWorK 1996-2016 | theme: math4 | ww_version: 2.11 | pg_version: 2.11| The WeBWorK Project (http://webwork.maa.org/) https://webwork2.asu.edu/webwork2/Kostelich_MAT_272_Fall_2016/S...QQ7n8MCTveVl5uKRoVwu4869A9&effectiveUser=tcheung1&user=tcheung1 Page 1 of 1