(Modeling) Cost-Benefit Model for a Pollutant In situations involving environmental pollut...

(Modeling) Cost-Benefit Model for a Pollutant In situations involving environmental pollution, a cost-benetit model expresses cost in terms of the percentage of pollutant removed from the environment. Suppose a cost-benefit model is expressed as

where y is the cost in thousands of dollars of removing x percent of ascertain pollutant. Find the value of y for each given value of x.

(a) x = 75 (75%)

---

(b) x = 95 (95%)