oblem 2 The graph of z f x y is shown below In each part

Last updated: 8/3/2023

oblem 2 The graph of z f x y is shown below In each part determine whether the given partial derivatives are positive negative or zero Note that the function is symmetric about 0 in both the x and y directions 15 10 5 0 5 10 4 2 0 a f 2 2 and fxx 2 2 b fy 2 2 and fyy 2 2 c fx 2 0 and fxx 2 0 d fy 2 0 and fyy 2 0 2 A positive negative B negative zero C zero zero D zero positive E positive positive F positive zero G negative negative H negative positive D zero negative