For this case we have the following polynomials:

Adding the polynomials we have:

Rewriting we have:

Therefore, the result of the sum is:

Answer:
the sum of the polynomials is:

option 2
I think this is the answer
A)Cathy had $6 at first
B)Selena has $24 at first
Answer:
x > -1
Step-by-step explanation:
Domain is the set of x-values that can be inputted into function f(x).
From the graph we can see that our x-values span from -1 to infinity. Since -1 is open dot, it is not included in the domain:
(-1, ∞) or x > -1
Answer:
Do you still need help?
Step-by-step explanation: