MHF 4UA Unit IIWorkbook b) A medical researcher establishes that a patient's reaction time, r, in minutes, to a dose of a particular drug is r(d) =-0.7d3 + d2, where d is the blood. amount of the drug, in millimeters, that is absorbed into the patient's What type of function is r(d)? polynomial function withs degree 3 Which finite differences are constant for this function? 3" finite difference must be constant What amount of drug in the system will mean that the patient's reaction time is 0 minutes? A