Section 11 7 5 10 12 9 47 PM Ali Al Zaabi MA 242 section 001 Spring 2012 Instructor J Louis Capps WebAssign Section 11 7 Homework Current Score 26 26 Due Monday February 27 2012 11 06 PM EST The due date for this assignment is past Your work can be viewed below but no changes can be made 1 2 2 points Previous Answers Find the local maximum and minimum values and saddle point s of the function If you have threedimensional graphing software graph the function with a domain and viewpoint that reveal all the important aspects of the function f x y 2x3 xy2 5x2 y2 Local minimum f 0 0 0 0 Local maximum f 1 67 1 67 0 0 Saddle points 1 1 2 1 1 2 2 smaller y value 2 larger y value 2 2 2 points Previous Answers Find the absolute maximum and minimum values of f on the set D f x y 3 xy x 2y D is the closed triangular region with vertices 1 0 5 0 and 1 4 Absolute maximum 2 2 Absolute minimum 2 2 3 2 2 points Previous Answers Find the absolute maximum and minimum values of f on the set D f x y 4x 6y x2 y2 D x y 0 x 4 0 y 5 Absolute maximum 13 13 Absolute minimum http www webassign net web Student Assignment Responses view key dep 3769838 Page 1 of 2 Section 11 7 0 5 10 12 9 47 PM 0 4 2 2 points Previous Answers Find the absolute maximum and minimum values of f on the set D f x y xy2 D x y x 0 y 0 x2 y2 3 Absolute maximum 2 2 Absolute minimum 0 0 5 6 6 points Previous Answers Find the point on the plane x y z 4 that is closest to the point 1 2 3 1 67 1 67 1 33 1 33 3 67 3 67 6 6 6 points Previous Answers Find three positive numbers x y and z whose sum is 460 such that xaybzc is a maximum x y z 7 6 6 points Previous Answers The base of an aquarium with volume V 410 is made of slate and the sides are made of glass If slate costs five times as much per unit area as glass find the dimensions of the aquarium that minimize the cost of the materials length 5 47 width 5 47 height 13 7 5 47 unit s 5 47 unit s 13 7 unit s http www webassign net web Student Assignment Responses view key dep 3769838 Page 2 of 2
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