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Mathematics 8 Online
OpenStudy (anonymous):

How do I do this?

OpenStudy (anonymous):

A manufacturer finds that the cost to produce x items is \[$ (\frac{ x^2 }{ 4 }+35x+25)\] and the price that they can charge for each item is \[$(50-\frac{ x }{ 2 })\]. 1.)Write a function in terms of x for the profit that the company makes in producing x items. 2.) Determine the number of items that the company should produce to maximize their profit.

OpenStudy (anonymous):

@FibonacciChick666

OpenStudy (fibonaccichick666):

ok, so in general, how do we find a profit?

OpenStudy (anonymous):

By subtracting from the amount that you spent

OpenStudy (fibonaccichick666):

what are you subtracting that from?

OpenStudy (anonymous):

The 1st equation minus the second equation?

OpenStudy (fibonaccichick666):

no, for profit, what do you subtract the amount you spent from?

OpenStudy (anonymous):

The amount it takes to make

OpenStudy (fibonaccichick666):

that's the same as the amount you spent

OpenStudy (fibonaccichick666):

ok so, profit is what you sold it for minus the cost to produce.

OpenStudy (fibonaccichick666):

so, can you put what they tell you into this formula? set it equal to P(x)

OpenStudy (anonymous):

\[P(x) = (50-\frac{ x^2 }{ 2 })-(\frac{ x^2 }{ 4 }+35x+25)\]

OpenStudy (fibonaccichick666):

Yea, there we go

OpenStudy (anonymous):

So that would be my equation right?

OpenStudy (fibonaccichick666):

yea

OpenStudy (fibonaccichick666):

you can simplify it though

OpenStudy (fibonaccichick666):

I recommend doing so

OpenStudy (anonymous):

\[p(x)=-\frac{ 3 }{ 4 }+35x+25\]

OpenStudy (anonymous):

@FibonacciChick666 is this correct

OpenStudy (fibonaccichick666):

Sorry, spaced out. WHat happened to your x^2?

OpenStudy (fibonaccichick666):

and you have to distribute the minus sign

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