document.write( "Question 74201: Business and Finance. If the inventor in exercise 53 charges $4 per unit, then her profit for producing and selling x units is given by the function
\n" ); document.write( "P(x) = 2.25x-7000
\n" ); document.write( "(a) What is her profit if she sells 2000 units?
\n" ); document.write( "This is exercise 53 below:
\n" ); document.write( "Business and Finance. If the inventor of a new product believes that the cost of producing the product is given by the function
\n" ); document.write( "C(x)= 1.75 + 7000
\n" ); document.write( "How much does it cost to produce 2000 units of her invention?
\n" ); document.write( "$10,500
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Algebra.Com's Answer #53210 by Poohbear272(22)\"\" \"About 
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P(x)=2.25x -7000\r
\n" ); document.write( "\n" ); document.write( "you would first substitute 2000 with x to find the profit if she sells 2000 units.
\n" ); document.write( "P (2000)= -$2500\r
\n" ); document.write( "\n" ); document.write( "Now you need to find the profit for 5000 units.
\n" ); document.write( "P (5000) = $4250\r
\n" ); document.write( "\n" ); document.write( "Finally you need to know what the break-even point of the sales are.
\n" ); document.write( "The break-even point of sale is P(x)=0 if 2.25x - 7000 = 0
\n" ); document.write( "Then x = 7000/2.25 = 3111.11 units\r
\n" ); document.write( "\n" ); document.write( "Good Luck!!
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