Find the minimum and maximum value of f(x, y)=x-4y for the feasible region

The feasible region determined by the constraints is shown. The three vertices are (0, 0), (8, 0), and (0, 8). To find the minimum and maximum values of C, evaluate C = 3x + 4y at each of the three vertices. The minimum value of C is 0.

Step-by-step explanation:

5x+10 is the correct one

hope this

$320 to $405

step by step explanation:

in one day he earns between $64 and $81

therefore if he works for 5 days, he will earn between 64 x 5 to 81 x 5

= $320 to $405