Question

I need to find max and min values by evlauating C=2x+y at critical points with restrictions x>=0, y>=0 and x+y<=8

Answer 1

So C is a plane correct? @berrypicking

Answer 2

don;t know that is how the problem is written

Answer 3

The thing is we don't know if "C" is just some constant or a variable.

Answer 4

So confirm that first and then I can help you.

Answer 5

can't confirm- that is how the problem is written