Quèstion 4 Suppose (1, 1) is a critical point of a function f with continuous second derivatives. In the case of f(1, 1)=7, f„(1, 1)= 8. f„(1,1)= 10 what can you say about f? !! O a. f has a saddle point at (1,1) O b.f has a local minimum at (1,1) Oc.f has a local maximum at (1,1) Click Submit to complete this assessment.

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