Answer: y <= 4
Step-by-step explanation:
Find the x-value of the vertex using -b/2a
-(-2)/2(-1) = 2/-2 = -1
when x = -1, find y
y = -(-1)^2 - 2(-1) + 3
y= -1 + 2 + 3
y = 4
Vertex is at (-1,4)
Since the parabola opens downward, it cannot go above y=4
y<=4
