document.write( "Question 472475: The number of tickects sold each day for an upcoming performance of Handel's Messiah is given by N(x)=-0.4x^2+12x+11, where x is the number of days since the concert was first announced. When will daily ticket sales peak and how many tickets will be sold that day?\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "^means raising to that power \n" ); document.write( "

Algebra.Com's Answer #323936 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi,
\n" );
document.write( "Note:the vertex form of a parabola,  where(h,k) is the vertex
\n" );
document.write( "N(x)= -0.4x^2+12x+11
\n" );
document.write( "N(x)=-0.4[x^2 -30x]+11
\n" );
document.write( "N(x)=-0.4[(x-15)^2 -225]+11
\n" );
document.write( "N(x)=-0.4[(x-15)^2 -225]+11
\n" );
document.write( "N(x)=-0.4(x-15)^2 +101  V(15,101) a = -.4 a<0, Parabola opens downward
\n" );
document.write( " V(15,101)is the Maximum Point. ticket sales peak on the 15th day with 101 sold
\n" );
document.write( "
\n" );
document.write( " \n" );
document.write( "

\n" );