Question

Y = -x + 9 x > 0 y > 0 P= 10x - 6y

Answer 1

1) Considering that the line is described by P = 10x -6y and x≥0 and y≥0

As we can see the first vertex is located on the origin, so we can write:

(0, 0)

2)

The highest one is at (0,

10(0)-6(9)=0