Problem. 10 : Find the absolute maximum and minimum values of f($,y}=8+$y$2y on the set D, where D is the closed triangular region with vertim (1,0) , (5,0), and (1,4). absolute maximum value = 7 at (smaller :r-value} (3,3,!) = 1 I U absolute maximum value = 7 at (larger x-value) (3:, y) = 3 I _ 2 absolute minimum value = 3 at (smaller :c-value) (3,3,!) = 1 I 4 absolute minimum value = 3 at (larger mvalue) (3,3,!) = 5 I, U