document.write( "Question 1059344: A manufacturer of microwave ovens believes that the revenue R, in dollars, that the company receives is related to the price P, in dollars, of an oven by the function R(P) = 110P – 0.25P^2. What price will give the maximum revenue? \n" ); document.write( "
Algebra.Com's Answer #674400 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
\"+R%28P%29+=+110P+-+.25P%5E2+\"
\n" ); document.write( "Use the formula for the vertex
\n" ); document.write( "of a parabola, \"+P%5Bv%5D+=+-b%2F%282a%29+\"
\n" ); document.write( "\"+a+=+-.25+\"
\n" ); document.write( "\"+b+=+110+\"
\n" ); document.write( "\"+P%5Bv%5D+=+-110%2F%28+2%2A%28-.25%29%29+\"
\n" ); document.write( "\"+P%5Bv%5D+=+110%2F.5+\"
\n" ); document.write( "\"+P%5Bv%5D+=+220+\"
\n" ); document.write( "$220 gives the maximum revenue
\n" ); document.write( "-------------------------------------
\n" ); document.write( "check:
\n" ); document.write( "\"+R%28220%29+=+110%2A220+-+.25%2A220%5E2+\"
\n" ); document.write( "\"+R%28220%29+=++24200+-+12100+\"
\n" ); document.write( "\"+R%28220%29+=+12100+\"
\n" ); document.write( "The maximum revenue is $12,100
\n" ); document.write( "Here's the plot:
\n" ); document.write( "\"+graph%28+500%2C+500%2C+-100%2C+500%2C+-1500%2C+15000%2C+-.25x%5E2+%2B+110x+%29+\"
\n" ); document.write( "Looks about right
\n" ); document.write( "
\n" );