Thursday
May 7, 2015

Homework Help: Algebra 2

Posted by Help Please on Friday, April 4, 2008 at 12:59pm.

Are these correct...Please help

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?

C=6,000/(200-2X)
C=6,000/(200-2*.75))
C=6,000/(200-1.5)
C=6,000/198.5
C=30.23 Million for 75% removal.

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

C=6,000/(200-2*.9)
C=6,000/200-1.8)
C=6,000/198.2
C=30.27 Million for 90% removal.

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

C=6,000/(200-2*.99)
C=6,000/(200-1.98)
C=6,000/198.02
C=30.30 Million for 99% removal.

I need help with the last two.
d. For what value is this equation undefined?
e. Do the answers to sections ad match your expectations? Why or why not?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Members