The table gives the coal consumption of a country for selected years. Use the table to answer parts (a) through (f). Year 1950 1960 1970 1980 1990 2000 2010 2012 -> 492.3 397.4 525.7 696.9 905.6 1083.3 1046.5 885.8 Millions of Short Tons (a) Draw a scatterplot, letting t=0 represent 1950. Choose the correct graph below. OA OB. 1200 1200 Q Q C. 1200 Q D. 1200+ (b) Use the quadratic regression feature of a graphing calculator to get a quadratic function that approximates the data. y=0²² +0₁+0 (Round to three decimal places as needed.) 80 Q Q

The table gives the coal consumption of a country for selected years. Use the table to answer parts (a) through (f). Year 1950 1960 1970 1980 1990 2000 2010 2012 -> 492.3 397.4 525.7 696.9 905.6 1083.3 1046.5 885.8 Millions of Short Tons (a) Draw a scatterplot, letting t=0 represent 1950. Choose the correct graph below. OA OB. 1200 1200 Q Q C. 1200 Q D. 1200+ (b) Use the quadratic regression feature of a graphing calculator to get a quadratic function that approximates the data. y=0²² +0₁+0 (Round to three decimal places as needed.) 80 Q Q

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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