Astudent is running a 10-kilometer race. he runs 1 kilometer every 4 minutes. select the function that describes his distance from the finish line after x minutes.
explain your answer (if possible).
a) f of x equals one-fourth x plus 4
b) f of x equals negative one-tenth x plus 4
c) f of x equals one-tenth x plus 10
d) f of x equals negative one-fourth x plus 10