Question 7 (1 point) 6 For a certain drug, the rate of reaction in appropriate units is given by RI (t) = " + + et where t is the time measured in hours after the drug is administered. The total reaction to the drug over the time period from the 2nd hour to the 4th is approximately Note: Round up whatever the decimal numbers you will get, so if you will get 1.09 round it to 2 or if you will get 1.56 round it to 2. O a) 48 O b ) 51