Answer:


Step-by-step explanation:
Since y=x+1 plug it into bottom equation as y.

Subtract 1 from both sides

Subtract 5x from both sides

Divide both sides by -4

Now x=-3 into the top equation to find y

y=-2
There is no local extremas but here is the objective function graphed
Answer:
i think D
Step-by-step explanation:
im not great at math but yea i think D
You didnt include the (presumably) multiple choice answers. My guess is that the answer would be along the lines of: 20 - (P times .40)