Assume that sales revenues for Continental Divide Mining can be modeled by
R(t) = 20.031t2 + 0.776t + 0.179
where t is the number of years past 2007.
(a) Use the function to determine the year in which maximum revenue occurs and the maximum revenue it predicts.
(b) Check the result from (a) against the data in the table.
(c) Graph R(t) and the data points from the table.
(d) Write a sentence to describe how well the function fits the data.
The data in the table give sales revenues and costs and expenses for Continental Divide Mining for various years.
