Question

What is the maximum value of 2x + 2y in the feasible region?

Answer 1

Why don't you write 2x+2y as 2(x+y), plug in your values and see which one is smallest.?

Answer 2

Since there is no feasible region defined, there is no answer possible.

Explanation:

The answer depends on the feasible region and there is no information to determine that.