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1. Determine the signs of the partial derivatives for the function f, whose graph is shown below.
https://www.webassign.net/scalcet/14-3-6.gif
(a) fx(−x0, y0)
positive negative
(b) fyy(−x0, y0)
positive negative
2. Determine the signs of the partial derivatives for the function f, whose graph is shown below.
https://www.webassign.net/scalcet/14-3-6.gif
(a) fx(−x0, y0)
positive negative
(b) fy(−x0, y0)
positive negative
3. Determine the signs of the partial derivatives for the function f, whose graph is shown below.
https://www.webassign.net/scalcet/14-3-5.gif
(a) fx(x0, y0)
positive negative
(b) fy(x0, y0)
positive negative
4. Determine the signs of the partial derivatives for the function f, whose graph is shown below.
https://www.webassign.net/scalcet/14-3-8.gif
(a) fxy(x0, y0)
positive negative
(b) fxy(−x0, y0)
positive negative