Find the Absolute Maximum and Minimum Values of the Linear $\le$

Multiple Choice

Find the absolute maximum and minimum values of the linear function f(x, y) = -2x + y - 10 on the polygon 0 $\le$ x $\le$ 2, 0 $\le$ y $\le$ 2, y - x $\le$ 1.

A) maximum -9, minimum -14
B) maximum -9, minimum -12
C) maximum -8, minimum -12
D) maximum -8, minimum -15
E) maximum -9, minimum -10