The coefficient of thermal expansion, of steel, is given at discrete values oftemperature in Table 1. Table 1 Coefficient of thermal expansion versus temperature for steel.Coefficient ofTemperature,Tthermal expansion, ain/in °F°F806.470x106606.360x106406.240x106206.120x1066.000x106-205.860x106-405.720x106-605.580x106-805.430x106The data is regressed to a = k, +k,T +k,T²

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The coefficient of thermal expansion, of steel, is given at discrete values of temperature in Table 1.

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter4: Polynomial And Rational Functions

Section4.6: Rational Functions

Problem 11SC: Find the mean hourly cost when the cell phone described above is used for 240 minutes.

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Question

The coefficient of thermal expansion, of steel, is given at discrete values of
temperature in Table 1.

Table 1 Coefficient of thermal expansion versus temperature for steel.
Coefficient of
Temperature,
T
thermal expansion, a
in/in °F
°F
80
6.470x106
60
6.360x106
40
6.240x106
20
6.120x106
6.000x106
-20
5.860x106
-40
5.720x106
-60
5.580x106
-80
5.430x106
The data is regressed to a = k, +k,T +k,T²

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