Answer:
C
Step-by-step explanation:
The top of the table is x, and the bottom is y.
Plugin x, and whichever gives the corresponding y is the answer.
So for x = 1
A. 5(1) does not equal 12
B. 5 + 5(1) = 10 which is not 12
C. 7 + 5(1) = 12 which is correct
D. 12 + 5(1) = 17 which is not 12
Hence C is the answer
