6. The Motion Picture Association of America reports a drop-off of video disc sales. The data in the table below shows consumer spending on video discs (DVD, Blue-ray, and UltraHD Blu-ray) in the United States in the years 2015-2018. Year Consumer Spending on video discs (in billions of dollars) 2015 9.1 2016 8.0 2017 6.8 2018 5.8 (a) What was the average rate of change in consumer spending from 2015 to 2018? (Be sure to include units.) (b) Use the average rate of change calculated above to predict consumer spending on video discs in 2020?

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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6. The Motion Picture Association of America reports a drop-off of video disc sales. The data in
the table below shows consumer spending on video discs (DVD, Blue-ray, and UltraHD
Blu-ray) in the United States in the years 2015-2018.
Year
Consumer Spending on video discs
(in billions of dollars)
2015
9.1
2016
8.0
2017
6.8
2018
5.8
(a) What was the average rate of change in consumer spending from 2015 to 2018? (Be
sure to include units.)
(b) Use the average rate of change calculated above to predict consumer spending on video
discs in 2020?
Transcribed Image Text:6. The Motion Picture Association of America reports a drop-off of video disc sales. The data in the table below shows consumer spending on video discs (DVD, Blue-ray, and UltraHD Blu-ray) in the United States in the years 2015-2018. Year Consumer Spending on video discs (in billions of dollars) 2015 9.1 2016 8.0 2017 6.8 2018 5.8 (a) What was the average rate of change in consumer spending from 2015 to 2018? (Be sure to include units.) (b) Use the average rate of change calculated above to predict consumer spending on video discs in 2020?
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