Question 1154243
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expressed as Upper C equals at squared plus bt plus c​,
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{{{C=at^2+bt+c}}}



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Year
1962
1992
2022
CO2
318
341
371
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<pre>
Year     t           {{{CO[2]}}} Levels
1962      0               318
1992     30               341
2022     60               371       - this has not happened yet.

Variable t was an adjustment from the given year data for easier computation for the steps and the model.
</pre>