F(x, y) Min Max problem with boundaries

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Homework Help Overview

The discussion revolves around a minimization and maximization problem involving a function F(x, y) constrained to the boundary of a circle defined by x² + y² = 4. Participants explore the implications of this constraint on the critical points derived from the function's partial derivatives.

Discussion Character

  • Mixed

Approaches and Questions Raised

  • Participants discuss taking partial derivatives and substituting variables to simplify the function. There are questions about the validity of critical points found outside the defined boundary and the implications of the constraint on the function's behavior.

Discussion Status

The conversation includes attempts to clarify the relationship between the function and the constraint, with some participants suggesting substitutions to find critical points. There is ongoing exploration of how to derive values that satisfy the constraint, and some participants express uncertainty about the correctness of their findings.

Contextual Notes

There is a focus on the constraints imposed by the circle, with participants questioning the necessity of taking derivatives given that extrema must occur on the boundary. The discussion also highlights potential misunderstandings regarding the application of LaTeX in expressing mathematical concepts.

  • #31
Correct. The numerator is not just 5, but the function is now much simpler, due to the constraint that its graph must lie on ##x^2 + y^2 = 4##.
 
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