The quantity of a drug, Q (in mg), present in the body t hours after an injection of the drug is given by Q=f(t)=75te(-0⋅5t). Find f(1), f'(1), f(7), and f'(7). Give units and interpret the answers.
a) f(1) = 37.5 mg, f'(1) = 33.75 mg/hr, f(7) = 9.81 mg, f'(7) = -4.06 mg/hr
b) f(1) = 37.5 mg, f'(1) = 33.75 mg/hr, f(7) = 9.81 mg, f'(7) = -4.06 mg/hr
c) f(1) = 37.5 mg, f'(1) = 33.75 mg/hr, f(7) = 9.81 mg, f'(7) = -4.06 mg/hr
d) f(1) = 37.5 mg, f'(1) = 33.75 mg/hr, f(7) = 9.81 mg, f'(7) = -4.06 mg/hr