(T1-T) The liquid portion of a diet is to provide at least 300 calories, 36 units of vitamin A, and 90 units of vitamin C daily. A cup of dietary drink X provides 60 calories, 12 units of vitamin A,...

(T1-T)
The liquid portion of a diet is to provide at least 300 calories, 36 units of vitamin A, and 90 units of vitamin C daily. A cup of dietary drink X provides 60 calories, 12 units of vitamin A, and 10 units of vitamin C. A cup of dietary drink Y provides 60 calories, 6 units of vitamin A and 30 units of vitamin C. Now, suppose that dietary drink X costs P120 per cup and drink Y cost P150 per cup.

• (Use Geogebra)
  Determine the feasible region and label the coordinates of the corner points.