The Orpheum Theater seats 600 people. Lately, the theater has been filled every night. The owner wants to raise the price, which
is now $5, but he knows with higher prices he will lose
customers. He uses the following equation to estimate how
much in dollars, y, he will make if he raises the price by xdollars.
y = 300 + 35x – 5x2
If the owner wants to make $350, what he can raise the price of
tickets to?