Question: Help answer and explain 1. You are standing at the point (3, 4) on a surface which is the graph of f(x, y) = x2
Help answer and explain

1. You are standing at the point (3, 4) on a surface which is the graph of f(x, y) = x2 - 2x+ y+ cos(xy). (a) If you walk in the direction of the origin, what is the rate of change of you elevation? (b) If you drop a ball, what direction will it roll (initially )
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