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July 22, 2014

July 22, 2014

Posted by **Mel** on Thursday, September 4, 2008 at 10:58pm.

P= x^2 + 16x + 40

**Please help me! I have tried to figure this out using the supply = demand way but I cannot figure it out!

I tried to factor it also, but there is no way it can. My graph did not match up with the Y-intercept either. I am so lost!

- Survey of Calculus (Algebra too) -
**drwls**, Friday, September 5, 2008 at 5:03amThis is not a supply = demand problem. You are given the relationshup between supply (x) and price (P).

The supply (in units of 1000) is x = 2.

The corresponding price is

P = 2^2 + 16*2 + 40 = 76

P can also be written

P = (x + 8)^2 - 24

but is meaningful for positive x only.

That may help you when plotting a graph of P(x).

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