A utility company burns coal to generate electricity. The cost C in dollars of removing p% of the air pollutants in the stack emissions is(a) Find the cost of removing 15% of the pollutants.
(b) Find the cost of removing 50% of the pollutants.
(c) Find the cost of removing 90% of the pollutants.
(d) Find the limit of C as approaches 100 from the left and interpret its meaning.

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C = 80,000p 100 - P 0 ≤ p < 100.