Question 902614
y=-x^2 + x + 6 = -(x-.5)^2 + .25 + 6 = -(x-.5)^2 + 6.25
V(.5, 6.25) max (Parabola Opening downward)
 -(x-.5)^2 + 6.25 = 0
  x - .5 = ± 2.5
 x = .5 ± 2.5
Xeros
x = -2, 3