Econonics: R=1200Q-2Q2, C=Q3-61.25Q2+1528.5Q+2000, get R & C

[mmm4444bot]

How do you know this is not a Chinese Currency problem?

Darn it! I was aware of the possibility -- as I typed the word "dollars", no less -- that I should qualify that comment, but I chose to let it slide.

"Always go with your gut" ~ unknown

Unrelated joke, paraphrased from Jay Leno (last night):

The percentages on milk cartons in China ... 1%, 2% ... are actually survival rates.

 

[emosniper]

So, I will get back with you guys when I recieve a grade on this.
Thanks Subhotosh Khan.

 

[virtualove]

But is it even possible to use the Quadratic Formula to solve this problem with their being a cube involved?

-EDIT- Never mind, I forgot about the derivative.