A.890,380,986 of the value
What i don't understand sorry I couldn't help because im only in 5th grade im sorry
Well actually depending on the size, if a small one I would use liters, but if a large ones like Olympics I would use kilolitres.
When x=0 y=50 when y=0 x=+\-5. -x^2 makes the parabola open downward y(x)=2x^2+50;y(3)=2*9+50=32
