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2. As the universe has expanded, its temperature has been decreasing with time. The figure below is a plot of the temperature T (in kelvin) as a function of time t (in gigayears, abbreviated as "Gyr") since the Big Bang. It has been derived from the measurements of galaxy redshifts as reported in Ref. [1]. 14 13 12 ● 11 10 9 :. 0 1 2 5 6 7 8 9 10 11 12 13 14 Time since the Big Bang (Gyr) (a) Write down two of the six simple functions from the formula sheet that might provide a good fit to the data in this plot, and explain why each would be suitable. For each function, explain whether the unknown constants should be positive or negative. Temperature (K) 7 5 4 3 2 .. °8

2. As the universe has expanded, its temperature has been decreasing with time. The figure below is a plot of the temperature T (in kelvin) as a function of time t (in gigayears, abbreviated as "Gyr") since the Big Bang. It has been derived from the measurements of galaxy redshifts as reported in Ref. [1]. 14 13 12 ● 11 10 9 :. 0 1 2 5 6 7 8 9 10 11 12 13 14 Time since the Big Bang (Gyr) (a) Write down two of the six simple functions from the formula sheet that might provide a good fit to the data in this plot, and explain why each would be suitable. For each function, explain whether the unknown constants should be positive or negative. Temperature (K) 7 5 4 3 2 .. °8

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter8: Graphing Quadratic Functions
Section: Chapter Questions
Problem 30CR
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function type general form linear y = mx + c quadratic y = ax² +bx+c power y = ax² periodic y = A sin((t — S)) + E exponential y = Cekt surge y=ate-bt
Transcribed Image Text:function type general form linear y = mx + c quadratic y = ax² +bx+c power y = ax² periodic y = A sin((t — S)) + E exponential y = Cekt surge y=ate-bt
2. As the universe has expanded, its temperature has been decreasing with time. The figure below is a plot of the temperature T (in kelvin) as a function of time t (in gigayears, abbreviated as "Gyr") since the Big Bang. It has been derived from the measurements of galaxy redshifts as reported in Ref. [1]. 14 13 12 11 10 4 :- 3 2+ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Time since the Big Bang (Gyr) (a) Write down two of the six simple functions from the formula sheet that might provide a good fit to the data in this plot, and explain why each would be suitable. For each function, explain whether the unknown constants should be positive or negative. Temperature (K) 00
Transcribed Image Text:2. As the universe has expanded, its temperature has been decreasing with time. The figure below is a plot of the temperature T (in kelvin) as a function of time t (in gigayears, abbreviated as "Gyr") since the Big Bang. It has been derived from the measurements of galaxy redshifts as reported in Ref. [1]. 14 13 12 11 10 4 :- 3 2+ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Time since the Big Bang (Gyr) (a) Write down two of the six simple functions from the formula sheet that might provide a good fit to the data in this plot, and explain why each would be suitable. For each function, explain whether the unknown constants should be positive or negative. Temperature (K) 00
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