MA 227 Midterm: MA227_Cal_III_T2_spring_15
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Name and section: do not open this exam until you are told to do so, this exam has 11 pages including this cover. There are 11 questions, for a total of 100 points and 10 bonus points. Note that the problems are not of equal di culty, so you may want to skip over and return to a problem on which you are stuck: do not separate the pages of this exam. Work scattered all over the page without a clear ordering will receive little credit: answer the questions in the spaces provided on the question sheets. March 9, 2015: [10 points] find the partial dirivative gxyz if g(x, y, z) = exy+z. March 9, 2015: [10 points] use implicit di erentiation to nd. March 9, 2015: [10 points] let z = sin(cid:16) x and. T y(cid:17), and x = 2s + 3t, y = 3s 2t. March 9, 2015: [10 points] let z = xy.
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