Solve and interpret the answer.

Yo sup??
So the unit of f(x) is miles and the unit of g(x) is hour.
Therefore we can say that the unit of (f/g) is miles/hour which is also called speed.
(f/g)(5)=f(5)/g(5)
=2*5+26/5-1
=9 miles/hour
Therefore the correct answer is option A
Hope this helps.