f(x) means x = -2 if you multiply 1/2 by -2 you get -1
Answer:
The answer is "
"
Step-by-step explanation:
A = area of the pigpen
x = its perpendicular length of the sides of the stone wall
Maximize function:

So, the size of pigpen is = 100 ft by 200 ft that is (perpendicular and parallel to wall), that's why the answer is "
"
Answer:
Option A. is the right choice.
Step-by-step explanation:

Best Regards!
I apologize, but we would need the chart included below the questions to be able to answer this.