
Concept explainers
Electronics The resistance
Where x is the diameter of the wire in mils (0.001 inch).
(a) Complete the table.
(b) Use the table of values in part (a) to sketch a graph of the model. Then use your graph to estimate the resistance when
(c) Use the model to confirm algebraically the estimate you found in part (b).
(d) What can you conclude about the relationship between the diameter of the copper wire and the resistance?

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Chapter 1 Solutions
College Algebra Real Mathematics Real People Edition 7
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