WeBWorK Standalone Renderer

Suppose $f(x,y) = x^2+y^2-2 x$ and $D$ is the closed triangular region with vertices $(2,0)$ , $(0,2)$ , and $(0,-2)$ . Answer the following.

1. Find the absolute maximum of $f(x,y)$ on the region $D.$
Answer:

2. Find the absolute minimum of $f(x,y)$ on the region $D.$
Answer:

In order to get credit for this problem all answers must be correct.