The concentration of carbon dioxide, C = f(t), in the atmosphere, in parts per million
Chapter 1, Problem 8(choose chapter or problem)
The concentration of carbon dioxide, C = f(t), in the atmosphere, in parts per million (ppm), is a function of years, t, since 1960. (a) Interpret f(40) = 370 in terms of carbon dioxide.4 (b) What is the meaning of f(50)?
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