Question

1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by
a. What is the cost to remove 75% of the pollutant?

b. What is the cost to remove 90% of the pollutant?

c. What is the cost to remove 99% of the pollutant?

d. For what value is this equation undefined?

e. Do the answers to sections a. through d. match your expectations? Explain why or why not.

Answer 1

is modeled by what?

Answer 2

c=6,000
------
200-2x

Answer 3

a=30.23
b=30.27
c=30.30
d=100

thats what i get if i did it right