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i found the price: p=(30-11x)*x
the i find the derivative: dp/dx and set it to zero.... i got x= .252525
then i tried to plug into c(x) but it's wrong :((
i got 8.05
Isn't profit= revenue - cost?
I got 6.87 for the price
how? it says its not correct..
price = (30-11x)x
So if x = .25, price = (30-11/4).25=6.68
All depends on how many significant digits you carry for x
i tried that one too
cost per unit is c(x)/x
If you want price per unit shouldn't you divide the price by 1000 since x is 1000 units?
howd you get that
and X in thousands of units. I read the problem you posted.
yeah can you tell me where i went wrong?
Well, I am not sure but I would try dividing the answers we got by 1000 and see if that is the price per unit.
whered you get 1000 from?
What does x represent?
Read the problem. What does x represent.
thousands in units.
So when you got x = .25 that meant .25 thousands of units of 250 units. So when you got 6.87 for the price of x units that was for 1000 units. So each unit should be sold for 7 cents
okay... so i got x= .25 and i times that by 1000...
so whats the correct answer?
im getting it wrong.
So if x = .25, price = (30-11/4).25=6.68 for 250 units. 6.68/250=668 cents/250= 3 cents per unit. Try that. How many chances do you get?
I think the part you can't get a handle on is that x is in thousands of units. So if x is 1 that is 1000 units. If x = 2, that is 2000 units. If x = .25 that is 250 units.
i understand that part.
What did you get for x?
Well that is not what you posted earlier.
i plugged in 250 into c(x)
i dont know.
whats the answer then?
isn't it .252525 *1000 = x= 252.525
I don't know for sure. I wanted you to try 3 cents and I asked you how many chances you get at entering the correct answer and you didn't answer me.
as many times.
Did you try 3 cents?
yeah its wrong.
I guess I can't help you then. Sorry.