Question

The atmospheric CO2 level A(t) at a volcano at time t (in parts per million by...

The atmospheric CO2 level

A(t)

at a volcano at time t (in parts per million by volume) is recorded. Reading across, the annual values for the 4-year intervals are as follows.

1960      1964      1968      1972      1976      1980      1984
0.56 0.26 1.01 1.67 1.02 1.71 1.36
1988      1992      1996      2000      2004      2008      2012
2.15 0.46 1.25 1.62 1.58 1.60 2.64

(a) Estimate

A'(t)

in 1962, 1970, 1978, 1986, 1994, 2002, and 2010. (Use adjacent years to find your estimation.)

A'(1962) =
A'(1970) =
A'(1978) =
A'(1986) =
A'(1994) =
A'(2002) =
A'(2010) =



(b) In which of the years from (a) did the approximation to

A'(t)

take on its largest value?

19621970    19781986199420022010


In which of the years from (a) did the approximation to

A'(t)

take on its smallest value?

19621970    19781986199420022010


(c) In which of these years does the approximation suggest that the CO2 level was the most constant?

19621970    19781986199420022010

Homework Answers

Answer #1

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