Suppose that the cost (in millions of dollars) to remove x percent of a certain pollutant...

 

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Suppose that the cost (in millions of dollars) to remove x percent of a certain pollutant 20x is given by the cost-benefit function f(x)= for 0<x<100. 102 - x (i) Find the cost to remove 85% of the pollutant. (ii) Find the cost to remove the final 5% of the pollutant. (iii) Sketch the graph of f (x). Suppose that the cost (in millions of dollars) to remove x percent of a certain pollutant 20x is given by the cost-benefit function f(x)= for 0<x<100. 102 - x (i) Find the cost to remove 85% of the pollutant. (ii) Find the cost to remove the final 5% of the pollutant. (iii) Sketch the graph of f (x).

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