X will be ur domain...and it represents time in hrs.....therefore, it cannot be a negative number...so that eliminates B and C. I do not believe it has to be a whole number...so I am going with A
X=15 and y=6
15-6=9
15+2(6)=27
2(6)=12
I hope this helps
<span>372° - 360° = 12°</span>