Question 939039
   f(s)=  3s
where s represents the speed in miles per hour of  a car and f(s) represents the total distance traveled
 max speed (s)=  75 mph
   max value of  f(s)=  3*75
                       =225 
 min value of s  can be 0 miles per hour 
  min value of f  f(s)= 3*0
           =0
 Range    : 0- 225