The concentration C of a chemical in the bloodstream t hours after injection Into muscle tissues is given by the following. 8t C(t) = t2 0 27 + t (a) Complete the table and use it to approximate the time when the concentration is greatest. (Round your answers to three decimal places.) 0.5 1.5 2 2.5 3 C(t) hr (b) Use a graphing utility to graph the concentration function and use the graph to approximate the time when the concentration is the greatest. 04 0.4 0.3 0.3 02 02 0.1 0.1 0.5 1 1.5 2 2.5 3 0.5 1 1.5 2 2.5 3 1.4 1.4 1.3 1.3 1.2- 12 1.1 1.1 0.5 1 1.5 2.5 0.5 1.5 2 2.5 3 hr (c) Use calculus to determine analytically the time when the concentration is greatest. t = hr

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