snail travels at a rate of 2.35 feet per minute.  Write a rule to describe the function.  How far will the snail travel in 5 minutes?   A.  d(t) = 5t; 11.75 ft   B.  d(t) = t + 2.35; 7.35 ft   C.  d(t) =  ; 2.13 ft   D.  d(t) = 2.35t; 11.75 ft