Researchers measured the average blood alcohol concentration C(t) of eight men starting one hour after consumption of 30 n1L of ethanol

please answer to the part a,b of the question below.

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Researchers measured the average blood alcohol concentration C(t) of eight men starting one hour after consumption of 30 n1L of ethanol [corresponding to two alcoholic drinks). t(hours) 1.0 1.5 2.0 2.5 3.0 C(t)(mgfn1L) 0.33 0.21 0.13 0.12 0.06 (E) Find the average raise of change of C with respect tn I! over each time Interval. What are the units? The units for the average rate of change of C with respect to t over each time interval are —Select—— a . (I) [1.0, 2.0]0.15 (Ii) [1.5, 2.0] (In) [2.0, 2.5]0.12