Figure 8.59 is a contour diagram for z = f(x, y). Is fx positive or negative? Is fy
Chapter 8, Problem 16(choose chapter or problem)
Figure 8.59 is a contour diagram for z = f(x, y). Is fx positive or negative? Is fy positive or negative? Estimate f(2, 1), fx(2, 1), and fy(2, 1). 1 2 3 4 5 1 2 3 4 5 6 2 2 6 10 14 18 x y Figure 8.59
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