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April 18, 2014

April 18, 2014

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

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 a–d match your expectations? Why or why not?

- Algebra 2 -
**Tania**, Monday, January 25, 2010 at 8:11pmI have the same question. For what value is this equation undefined?

and

Do the answers to sections a-d match your expectations? why or why not?

I'm confused on how to answer this. Please help anyone! Thank you!

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