Question
Suppose the function f(x,y)f(x,y) has the critical point (0,4). Suppose fxx(0,4)>0 and fyy(0,4) <0. Which of the following are possible? Select all that apply. a.
Suppose the function f(x,y)f(x,y) has the critical point (0,4). Suppose fxx(0,4)>0 and fyy(0,4)<0. Which of the following are possible? Select all that apply.
a. The second derivative test could be inconclusive.
b. (0,4) could be a local maximum.
c. (0,4) could be a saddle point.
d. (0,4)could be a local minimum.
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Elementary Differential Geometry
Authors: Andrew N Pressley
2nd Edition
1848828918, 9781848828919
