The concentration C of a chemical in the bloodstream t hours after injection into muscle tissues is given by the following. 7t t20 27 +³ (a) Complete the table and use it to approximate the time when the concentration is greatest. (Round your answers to three decimal places.) 0 0.5 2 2.5 3 C(t) = t C(t) 0 O 1.3 C(t) 1.2 cm 1.1 t 2.5 (b) Use a graphing utility to graph the concentration function and use the graph to approximate the time when the concentration is the greatest. 1.4 0.4 0.3 0 ✓ ✔hr 0.5 0.129 ✔ 0.250 1 1.5 1 2 2.5 0.346 O 1.4 1.5 1.3- C) 1.2 CT) 0.2 0 0.3- ✓0.4000 ✔ 0.411 ✓ 0.389 0.5 1 1.5 1 2 2.5 3

The concentration C of a chemical in the bloodstream t hours after injection into muscle tissues is given by the following. 7t t20 27 +³ (a) Complete the table and use it to approximate the time when the concentration is greatest. (Round your answers to three decimal places.) 0 0.5 2 2.5 3 C(t) = t C(t) 0 O 1.3 C(t) 1.2 cm 1.1 t 2.5 (b) Use a graphing utility to graph the concentration function and use the graph to approximate the time when the concentration is the greatest. 1.4 0.4 0.3 0 ✓ ✔hr 0.5 0.129 ✔ 0.250 1 1.5 1 2 2.5 0.346 O 1.4 1.5 1.3- C) 1.2 CT) 0.2 0 0.3- ✓0.4000 ✔ 0.411 ✓ 0.389 0.5 1 1.5 1 2 2.5 3

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter3: Polynomial And Rational Functions

Section3.1: Quadratic Functions And Models

Problem 56E: When a certain drug is taken orally, the concentration of the drug in the patient's bloodstream...

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