Astudent is running a 5-kilometer race. he runs 1 kilometer every 3 minutes. select the function that describes his distance from the finish line after x minutes. (1 point) f(x) = − 1 over 3 x + 5 f(x) = − 1 over 5 x + 3 f(x) = 1 over 5 x + 5 f(x) = 1 over 3 x + 3