Line of Best Fit = -0 A) $19.48 \mathrm { mg }$

question 131

Multiple Choice

Line of best fit = -0.68x + 82.91
Choose the one alternative that best completes the statement or answers the question.
-A drug company establishes that the most effective dose of a new drug relates to body weight as shown below. Let body weight be the independent variable and drug dosage be the dependent variable. Use a graphing utility
To draw a scatter diagram and to find the line of best fit. What is the most effective dosage for a person weighing
140 lbs? $\begin{array} { l c } \hline \text { Body } & \text { Drug } \\\text { Weight } ( \mathrm { lbs } ) &\text { Dosage } ( \mathrm { mg } ) \\\hline 50 & 10 \\100 & 12 \\150 & 17 \\200 & 19 \\250 & 21 \\\hline\end{array}$

• A) \(19.48 \mathrm { mg }\)
• B) \(14.5 \mathrm { mg }\)
• C) \(12.07 \mathrm { mg }\)
• D) \(15.22 \mathrm { mg }\)

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Definitions:

Becomes Rapid

Accelerates in speed or activity.

Blood pH

The measure of the acidity or alkalinity of blood, crucial for maintaining essential physiological processes, typically kept within a very narrow range.

Hydrogen Ion Concentration

A measure of the acidity or alkalinity of a solution, determined by the concentration of hydrogen ions present; it influences the pH level of the solution.

Bicarbonate Ions

Anions resulting from the dissociation of carbonic acid, serving an important role in buffering acids and bases in the body.