Question

5. Let f(x, y) be some function of the plane,such that (1, 1) and (1, –1) are critical points.Suppose fxx = x+2 fxy = x=+y -2 and fyy= y+1 classify

min/max/sp the critical points 1,1 and 1,-1 clearly indicating any computed values you used to make your decision

Fig: 1