Dianna made several loaves of bread yesterday. Each loaf required 2 and two-thirds cups of flour. All together, she used 13 and
1 answer:
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has critical points wherever the partial derivatives vanish:
Then
- If
, then
; critical point at (0, 0)
- If
, then
; critical point at (1, 1)
- If
, then
; critical point at (-1, -1)
has Hessian matrix
with determinant
- At (0, 0), the Hessian determinant is -16, which indicates a saddle point.
- At (1, 1), the determinant is 128, and
, which indicates a local minimum.
- At (-1, -1), the determinant is again 128, and
, which indicates another local minimum.
