document.write( "Question 630437: The profit that the vendor makes per day by selling x pretzels is given by the function P(x)=-0.004x2+2.8x-250. Find the number of pretzels that must be sold to maximize profit. \n" ); document.write( "
Algebra.Com's Answer #396913 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
vertex (350, 240)
\n" ); document.write( "x=350
\n" ); document.write( "P(x)=240
\n" ); document.write( "
\n" );