ANSWER
The correct answer is C

EXPLANATION
The ordered pair of the relation are:

The domain is the set of all the x-values for which the function is defined.
These are:

Therefore the correct option is C.
If you distribute, then you get -10x+7.5
Note how -2.5 times 4x = -10x and how -2.5 times -3 = 7.5
The idea is that you multiply the outer term (-2.5) by each term inside
Answer:
the answer is B or D
Step-by-step explanation: