Solve the Problem $x$ Hr After Being Administered Is Approximately $C ( x ) = \frac { 3 x } { 14 + x ^ { 2 } }$

question 204

Multiple Choice

Solve the problem.
-The concentration of a certain drug in the bloodstream $x$ hr after being administered is approximately $C ( x ) = \frac { 3 x } { 14 + x ^ { 2 } }$ . Use the differential to approximate the change in concentration as $x$ changes from 1 to $1.52$ .

• A) 0.11
• B) 0.26
• C) 0.12
• D) 0.09

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