Answer:
c
Step-by-step explanation:
Answer:
a number 12
Step-by-step explanation:
duh bro
To solve this problem you must apply the proccedure shown below:
a) You must sum terms with same exponents, therefore, you have that the sum of these two polynomials is:


b) First, you must mulitply the signs of the second polynomial by the negative sign, and them, you apply an algebraic sum. Therefore, the result is:

The answers are: a)
; b) 
C because the x coordinate cannot repeat in a function. One x coordinate can go into multiple y coordinates though.
Hope it helps