Not sure how these traces indicate what the questions are asking. Thanks
Cå ¬ Secure | https://wwww.math.ubc.ca/Ugrad/pastExams/Files/200-2016WT1.pdf 200 2016WT1.pdf 3 12 2b)The diagram below shows three "y traces" of a graph z-F(x, y) plotted on xz axes. (namely, the intersections of the surface p=F(x, y) with the three planes (y=1.9, y 2, y-2.1). For each statement below, circle the correct ord 1) The first order partial derivative F x (1,2) is positive/negative/zero (circle one) i) F has a critical point at (2,2) true/false (circle one) ii) The second orderpartial derivativeF xy (1,2) is positive/negative/zero (circle one) ä¹ ENG 843 PM US 2017-11-29