Just add them together. For example if you have 4x and 7x you would just do 4x+7x and get 11x. You can only add them because they are like terms, meaning that they share a variable.
Answer:
B
Step-by-step explanation:
if there is two or more of the same X's it can't be a function. however if there is 2 or more of the same Y's it can still be classified as a function
Answer:
with a line accross the points