Can someone tell me what "Value" means in this formula please?

AI Thread Summary
In the discussion about the term "Value" in a solar farm formula, it is clarified that "Value" likely refers to the cost of electricity per kilowatt-hour (kWh). The figure of 18.4 pence per kWh is questioned, with a suggestion that it could translate to approximately 18 cents. The conversation emphasizes understanding the market price for electricity in different currencies. Overall, the focus is on clarifying the meaning of "Value" in the context of energy pricing. Understanding this term is crucial for interpreting the financial aspects of solar energy projects.
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Homework Statement
Paybacl
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Payback formula
Hello.

I am reading through a solar farm paper and I am getting a bit confused at looking at this formula:
fgfnfgn.png

When it says "Value", I am guessing it refers to the cost of electricity per kWh? If that is the case, I wonder how many kWh are 18.4p/kWh?
 
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p=pence?
 
The value is the cost of one kilowatt-hour of electricity in dollars on the open market.

18 cents or pence or whatever seems like a plausible cost for 1 kilowatt-hour
 

Thread 'Greatest possible value of a constant in polynomial'

Since ##px^9+q## is the factor, then ##x^9=\frac{-q}{p}## will be one of the roots. Let ##f(x)=27x^{18}+bx^9+70##, then: $$27\left(\frac{-q}{p}\right)^2+b\left(\frac{-q}{p}\right)+70=0$$ $$b=27 \frac{q}{p}+70 \frac{p}{q}$$ $$b=\frac{27q^2+70p^2}{pq}$$ From this expression, it looks like there is no greatest value of ##b## because increasing the value of ##p## and ##q## will also increase the value of ##b##. How to find the greatest value of ##b##? Thanks
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