Answer:
b. cosx + 6 sinx
Step-by-step explanation:

8•13=104
7•13=91
6•13=78
104+91+78=273
Y = 12 because you multiply x by two to get x2, which is 30, and multiply y by two to get 12 - this is wrong, the answer is three, i did the math backwards
putting all points in equation of option B satisfies the table . so ans is option B