Find the Local Maximum, and Minimum Value and Saddle Points $$f ( x , y ) = x ^ { 2 } - x y + y ^ { 2 } - 9 x + 6 y + 9$$

question 4

Short Answer

Find the local maximum, and minimum value and saddle points of the function.
$$f ( x , y ) = x ^ { 2 } - x y + y ^ { 2 } - 9 x + 6 y + 9$$

---

Definitions:

Social Support

A network of family, friends, and peers that provide emotional, informational, and practical aids.

Problem-Focused Coping

A strategy to deal with stress by identifying and attempting to resolve or confront the problem causing the stress directly.

Optimistic Outlook

A mentality that tends to anticipate positive outcomes, focusing on hopeful aspects rather than negative ones.

Bright Side

To focus on the positive aspects of a situation rather than the negative.