In each case, give a possible contour diagram for the function f(x, y) if (a) f x

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In each case, give a possible contour diagram for the function f(x, y) if

(a) fx > 0 and fy > 0 

(b) fx > 0 and fy < 0

(c) fx < 0 and fy > 0 

(d) fx < 0 and fy < 0

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Applied Calculus

ISBN: 9781119275565

6th Edition

Authors: Deborah Hughes Hallett, Patti Frazer Lock, Andrew M. Gleason, Daniel E. Flath, Sheldon P. Gordon, David O. Lomen, David Lovelock, William G. McCallum, Brad G. Osgood, Andrew Pasquale

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