If you look at a unit circle (or you have one memorized, which I would strongly suggest) (√2/2,√2/2) is located at the radian value

, which is 45 degrees
Gotta graph this one
Zeros are $.586 and $3.414 and the profit is zero when these are the prices
Maximum profit when the dogs are 2 bucks
At goal post x= 35
<span>the height will be y= –0.03x2 + 1.6x= 19.25 > 15 </span>
<span>is 4.25 feet above the goal post.</span>