Section 11 3 5 10 12 9 46 PM Ali Al Zaabi MA 242 section 001 Spring 2012 Instructor J Louis Capps WebAssign Section 11 3 Homework Current Score 38 25 38 25 Due Monday February 27 2012 11 02 PM EST The due date for this assignment is past Your work can be viewed below but no changes can be made 1 1 1 points Previous Answers Determine the signs of the partial derivatives for the function f whose graph is shown a fx 1 2 positive negative b fy 1 2 positive negative c fxx 1 2 positive negative d fyy 1 2 positive negative http www webassign net web Student Assignment Responses view key dep 3769830 Page 1 of 5 Section 11 3 5 10 12 9 46 PM 2 2 2 points Previous Answers A contour map is given for a function f Use it to estimate fx 2 1 and fy 2 1 fx 2 1 2 8 2 8 fy 2 1 2 1 2 1 3 4 4 points Previous Answers Find the first partial derivatives of the function f x y x5 3x3y2 6xy4 fx x y fy x y 4 4 4 points Previous Answers Find the first partial derivatives of the function f x y xy fx x y fy x y 5 6 6 points Previous Answers Find the partial derivatives of the function w r http www webassign net web Student Assignment Responses view key dep 3769830 Page 2 of 5 Section 11 3 5 10 12 9 46 PM w s w t 6 2 2 points Previous Answers Find the indicated partial derivative f x y sin 2x 3y fy 12 8 3 3 7 2 2 points Previous Answers Find the indicated partial derivative f u v w w tan uv fv 8 0 9 72 72 8 4 4 points Previous Answers Use implicit differentiation to find z x and z y xyz cos x y z z x z y 9 8 8 points Previous Answers Find all the second partial derivatives f x y ln 3x 5y fxx x y fxy x y http www webassign net web Student Assignment Responses view key dep 3769830 Page 3 of 5 Section 11 3 5 10 12 9 46 PM fyx x y fyy x y 10 1 25 1 25 points Previous Answers Level curves are shown for a function f Determine whether the following partial derivatives are positive or negative at the point P a fx positive negative b fy positive negative c fxx positive negative d fxy positive negative http www webassign net web Student Assignment Responses view key dep 3769830 Page 4 of 5 Section 11 3 5 10 12 9 46 PM e fyy positive negative 11 2 2 points Previous Answers The temperature at a point x y on a flat metal plate is given by T x y 54 1 x2 y2 where T is measured in C and x y in meters a Find the rate of change of temperature with respect to distance at the point 2 1 in the x direction 6 6 C m b Find the rate of change of temperature with respect to distance at the point 2 1 in the y direction 3 3 C m 12 2 2 points Previous Answers If the following is true find fx 0 0 1 1 http www webassign net web Student Assignment Responses view key dep 3769830 Page 5 of 5
View Full Document
Unlocking...