Algebra.Com's Answer #578686 by MathTherapy(10552)![\"\"](\"/images/stars/stars-13.gif\")  
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document.write( "The profit function for selling x units of a certain product is given by
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document.write( "A.)State the value of 'a', 'b,' and 'c' of the quadratic function P(x).
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document.write( "B.)Find the vertex of the graph of P(x).
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document.write( "C.)For what number of units is maximum profit achieved?
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document.write( " What is the maximum profit? Remember to include appropriate labels (units) in your answer.
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document.write( "A.
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document.write( "a = - 1
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document.write( "b = 900
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document.write( "c = - 160\r
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document.write( "B.
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document.write( "x-coordinate of vertex is: x =  , or  , or  , or 
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document.write( "y-coordinate of vertex is:  , or 
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document.write( "Vertex:      \r
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document.write( "C.
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document.write( "Number of units that produces maximum profit:
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document.write( "Maximum profit:  \n" );
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