Concept explainers
Greenhouse Gases Although greenhouse gases are essential to maintaining the temperature of the Earth, an excess of greenhouse gases can raise the temperature to dangerous levels. One of the most threatening greenhouse gases is carbon dioxide
Year |
|
1968 |
323 |
1999 |
368 |
2015 |
401 |
(a) Obtain the least-squares line that fits these data. (Let
(b) Estimate the concentration of CO2 in the year 2008. How does this compare with the actual reading of 386?
(c) If the trend continues, in what year will the concentration of CO2 reach 408 ppm?
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Finite Mathematics & Its Applications (12th Edition)
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