<h3>
Answer: Bottom left corner (southwest corner)</h3>

The left endpoint is x = 4, but we don't include this endpoint because of the open hole. We use a parenthesis to indicate "don't include the endpoint"
The right endpoint is positive infinity. We always use a parenthesis with either infinity since we cannot reach infinity
The interval from 4 to infinity is written as
which is like saying 
Answer:
The answer is bellow
Step-by-step explanation:
The -2 is the x so you would put it in like so
2(-2) + 3
So you would get
-4+3
Which would give you
-1 as the final answer
4x+5y=-35 will be that in standard form
Answer:
-20
Step-by-step explanation:
32-12=20 so do it backwards. :D