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April 2, 2015

April 2, 2015

Posted by **anna** on Friday, November 30, 2012 at 5:41pm.

The National Oceanic and Atmospheric Administration (NOAA) has been measuring atmospheric carbon dioxide concentations (in parts per million) at Mauna Loa, Hawaii since 1958. The data

closely follow the pattern H(t) = 0.013t^2 + 0.81t + 316 +3.5 sin(2pi)(t), where t = 0 represents the

year 1960. (Complete dataset available at ftp://ftp.cmdl.noaa.gov/ccg/co2/trends/c…

1. Explore the CO2 concentration model for the period 1960 – 1962.

a) Graph H for 0 ≤ t ≤ 3 and 300 ≤ H ≤ 340

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