Question

1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by : c=6000/200-2x
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?

Answer 1

Need any help with this?

Answer 2

lol yes!

Answer 3

Well, I'll post a classroom. I already know what you're working on. I can help you with this while you're here

Answer 4

ok :)

Answer 5

Well actually, I know you need more detailed explanations, so I'll post a classroom.

Answer 6

sounds good!

Answer 7

wow i wonder what book this comes out of because i have seen this exact same problem at least 5 times (no exaggeration)