Answer:
u forgot to put the question
1. Use the FOIL method (x+9)(x+9)
First, outer, inner, last

Add your like terms

2. When you add or subtract polynomials you add or subtract the like terms and then put them in order from largest to smallest exponents.
3.

4. Since it is the perimeter, we add the 3 together.

Add the like terms together:

Put them in order of exponents

Hope this helps
I hate APEX!
A is right since the graph would start at 2 and go towards negative infinity
D is right both graphs approach +2 as thier highest values
Answer:
the answer which you have opted is perfect