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Question: CARBON MONOXIDE IN THE ATMOSPHERE The projected average global atmospheric concentration of carbon monoxide is approximated by the function
f(t) = 0.881433t4 - 1.45533t3 + 0.695876t2 + 2.87801t + 293 (0 ≤ t ≤ 4)
Where t is measured in 40-yr intervals with t = 0 corresponding to the beginning of 1860, and f(t) is measured in parts per million by volume.
a. Plot the graph of f in the viewing window [0, 4] × [280, 400].
b. Use a graphing utility to estimate how fast the projected average global atmospheric concentration of carbon monoxide was changing at the beginning of 1900 (t = 1) and at the beginning of 2000 (t = 3.5).
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