Get the intercepts:
g(x) = -x²+x+6
g(0) = -0²+0+6
g(0) = 6
So the y-intercept is (0,6)
g(x) = -x²+x+6
0 = -x²+x+6
x²-x-6 = 0
(x-3)(x+2) = 0
x-3=0; x+2=0
x=3; x=-2
So the x intercepts are (3,0) and (-2,0)
Plot those points:
Get some more points:
x| y
-3|-6
-1| 4
1| 6
2| 4
4|-6
Edwin