Question 115780
-b/2a=axis of symmetry of the graph and also the number of hot dogs required to be sold for maximum profit.
-10/-2=5
f(5)=-5^2+10*5+34
=-25+50+34
=$59. maximum profit.
.
Ed
{{{graph(500,500,-2,14,-2,65,-x^2+10x+34)}}}