AmayaTheAlien AmayaTheAlien 27-12-2018 Mathematics contestada a studemt is hiring a 3-kilometer race. he runs 1 kilometer every 2 minutes. select the function that describes his distance from the finish line after x minutes.A.f(x)=-1/3x +2B.f(x)=-1/2x +3C.f(x)=1/2x +3D.f(x)=1/3x +2