question_answer

The maximum value of \[z=4x+3y\] subject to the constraints \[3x+2y\ge 160,5x+2y\ge 200,x+2y\ge 80,\]\[x,y\ge 0\] is.

A) 320

B) 300

C) 230

D) None

Correct Answer: D

Solution :

[d] Obviously, it is unbounded. Therefore its maximum value does not exist.