Example 4-10-2 - Maple Help



Chapter 4: Partial Differentiation



Section 4.10: Optimization on Closed Domains



Example 4.10.2



 Find the extreme values of the function $f\left(x,y\right)=2-{x}^{2}-{y}^{2}+2x+2y$ on the domain $R$ consisting of the interior and boundary of the triangle whose sides are the $x$- and $y$-axes, and the line $x+y=9$.