Concept explainers
The figure depicts a relationship between a person's height, y (in inches), and the length of the person's arm, x (measured in inches from shoulder to wrist).
a. Use the points
b. What is the slope of the line? Interpret the slope in the context of this problem.
c. Use the equation from part (a) to estimate the height of a person whose arm length is 21.5 in.
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Beginning and Intermediate Algebra
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