A cost-benefit model expresses cost of an undertaking in terms of benefits received. One such model gives

Question:

A cost-benefit model expresses cost of an undertaking in terms of benefits received. One such model gives the cost, in thousands of dollars, to remove x percent of a pollutant as

Another model produces the relationship

(a) What is the cost found by averaging the two models?(b) Using the two given models and the answer to part (a), find the cost to the nearest thousand dollars to remove 95% (x = 95) of the pollutant.(c) Average the two costs in part (b) from the given models, to the nearest thousand dollars. Compare this result with the cost obtained using the average of the two models.

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